chore(deps): bump the dependencies group in /example/example1 with 4 updates

[dependabot]

Updates the requirements on idna, multidict, urllib3 and yarl to permit the latest version.
Updates idna to 3.20

Release notes

Sourced from idna's releases.

v3.20

• Update to Unicode 18.0.0.
• Better enforcement of the domain length limit in the incremental codec.
• Add support for Python 3.15.

Changelog

Sourced from idna's changelog.

3.20 (2026-09-17)

• Update to Unicode 18.0.0.
• Better enforcement of the domain length limit in the incremental codec.
• Add support for Python 3.15.

3.19 (2026-08-18)

• Restore the std3_rules option, which had no effect since changes to UTS #46 processing in Unicode 16. Note that uts46_remap() defaults to enabling STD3 rules, so direct callers will see input containing non-LDH ASCII characters rejected again.
• Performance improvements to UTS #46 mapping, particularly for ASCII-only domains.
• Test on free-threaded CPython with the GIL disabled and document thread safety.
• Expose the Unicode version of the generated tables as idna.unicode_version, and show it in idna --version.
• Add code, text, codepoint and position attributes to IDNAError so that the failed rule and the offending character can be identified without parsing the exception message.
• The deprecated transitional argument to encode() and uts46_remap() is now completely ignored, and gives a deprecation warning for the latter.
• Reject A-labels that are not the canonical Punycode encoding of their U-label.
• Fix CONTEXTJ violations raising IDNAError instead of InvalidCodepointContext.
• Consistently raise IDNAError for empty labels and non-ASCII bytes passed to label helper functions and the incremental codec.
• Add property-based tests, extended fuzzing targets, coverage measurement, and CI checks that the data tables match the generator output.
• Various code quality and tooling improvements.

Thanks to stefan6419846, LouieLuNZ, and Salvatore Corvaglia for contributions to this release.

3.18 (2026-06-02)

• When decoding a domain, add a display argument that will pass through invalid labels rather than raising an exception.

3.17 (2026-05-28)

• Substantial 75% reduction in memory usage through new data structures and some optimization in processing speed.
• Added a general 1024-character input length cap to the public validation, conversion, and codec entry points. This is well above

... (truncated)

Commits

• d55e65e Release 3.20
• 0c0824a Pre-release 3.20rc0
• bd7c316 Note Python 3.15 support in the 3.20 changelog
• b6cce85 Merge pull request #276 from kjd/unicode-18
• 9a4bc59 Update to Unicode 18.0.0
• dfab5a0 Merge branch 'python-3.15'
• 417c354 Read the latest Unicode version from the DerivedAge.txt header instead of the...
• cd17392 Merge pull request #274 from kjd/fix-decode-length-check
• c5796d7 Skip the decode round-trip check for domains past encode's length limit
• d6ee690 Update to Python 3.15 release candidate in CI and add trove classifier
• Additional commits viewable in compare view

Updates multidict to 7.0.0

Release notes

Sourced from multidict's releases.

7.0.0 is a major release. It makes istr final, adds a public C API for third-party extensions, and makes the C extension substantially faster across the board.

Breaking change. istr can no longer be subclassed, on either backend. Code that subclassed it has to wrap or convert instead. The C extension also started rejecting an argument passed both positionally and by name with TypeError, where it used to silently misbehave.

Public C and Cython API. Other C extensions and Cython modules can now create, read and mutate multidicts through a capsule, without going through the Python-level API. The capsule comes with multidict_capi.h, a cimport-able multidict/__init__.pxd and multidict.get_include(). The API includes MultiDict_ForEach() and a watchers API modeled on CPython's dict watchers. See the C API and Cython API references.

Performance. On CodSpeed's GIL-build benchmarks against 6.9.1, 82 C-extension benchmarks got faster and none got slower. Rough figures:

• CIMultiDict keyed by plain str: construction, add(), extend(), update() and item assignment got 2 to 3.8 times faster, and lookups about 2 times faster.
• CIMultiDict keyed by istr, and case-sensitive MultiDict: lookups, insertion and deletion got 10% to 70% faster.
• getall() and iterating items() got about 35% faster, and the view set operations 10% to 85% faster.
• popitem() on a whole mapping went from quadratic to linear time.
• On the free-threaded build, measured in instructions against 6.9.1, lookups got 24% to 33% cheaper on MultiDict and 4 to 5 times cheaper on CIMultiDict with lowercase str keys, and item assignment 15% to 19% cheaper. Construction and deletion on MultiDict cost 2% to 7% more. With several threads mutating at once, a d[key] = value got about four times faster.

The pure-Python backend is unchanged in speed.

Robustness. This release fixed several crashes and leaks in the C extension, including use-after-free bugs when a key's lower() or a value's __eq__ mutated a multidict, a crash at interpreter shutdown, and table and reference leaks on the free-threaded build.

Bug fixes

... (truncated)

Changelog

Sourced from multidict's changelog.

7.0.0

(2026-09-26)

7.0.0 is a major release. It makes :class:~multidict.istr final, adds a public C API for third-party extensions, and makes the C extension substantially faster across the board.

Breaking change. :class:~multidict.istr can no longer be subclassed, on either backend. Code that subclassed it has to wrap or convert instead. The C extension also started rejecting an argument passed both positionally and by name with :exc:TypeError, where it used to silently misbehave.

Public C and Cython API. Other C extensions and Cython modules can now create, read and mutate multidicts through a capsule, without going through the Python-level API. The capsule comes with multidict_capi.h, a cimport-able multidict/__init__.pxd and :func:multidict.get_include. The API includes MultiDict_ForEach() and a watchers API modeled on CPython's dict watchers. See the :doc:C API <capi> and :doc:Cython API <cyapi> references.

Performance. On CodSpeed's GIL-build benchmarks against 6.9.1, 82 C-extension benchmarks got faster and none got slower. Rough figures:

• :class:~multidict.CIMultiDict keyed by plain :class:str: construction, add(), extend(), update() and item assignment got 2 to 3.8 times faster, and lookups about 2 times faster.
• :class:~multidict.CIMultiDict keyed by :class:~multidict.istr, and case-sensitive :class:~multidict.MultiDict: lookups, insertion and deletion got 10% to 70% faster.
• :meth:~multidict.MultiDict.getall and iterating :meth:~multidict.MultiDict.items got about 35% faster, and the view set operations 10% to 85% faster.
• :meth:~multidict.MultiDict.popitem on a whole mapping went from quadratic to linear time.
• On the free-threaded build, measured in instructions against 6.9.1, lookups got 24% to 33% cheaper on :class:~multidict.MultiDict and 4 to 5 times cheaper on :class:~multidict.CIMultiDict with lowercase :class:str keys, and item assignment 15% to 19% cheaper. Construction and deletion on :class:~multidict.MultiDict cost 2% to 7% more. With several threads mutating at once, a d[key] = value got about four times faster.

The pure-Python backend is unchanged in speed.

Robustness. This release fixed several crashes and leaks in the C extension, including use-after-free bugs when a key's lower() or a value's __eq__ mutated a multidict, a crash at interpreter shutdown, and table and reference leaks on the free-threaded build.

... (truncated)

Commits

• 72f7c3c Release 7.0.0 (#1603)
• 2f84475 Fold new fragments and refresh benchmark tables for 7.0.0 (#1602)
• d66879b Keep slot-level operations out of line (#1600)
• 8708f36 Keep the insert-path resize out of line (#1601)
• 39ac5df Take references in update() from a dict only when lower() can run code (#1598)
• b5d4053 Keep one thread-local version counter on free-threaded builds (#1599)
• 602dedc Render changelog roles as Markdown in GitHub Release notes (#1596)
• d02502a Tidy news fragments for 7.0.0 (#1597)
• 91d5329 Forbid instantiating views and iterators with Py_TPFLAGS_DISALLOW_INSTANTIATI...
• 27fec2d Name slot-only C functions after the slot they fill (#1594)
• Additional commits viewable in compare view

Updates urllib3 to 2.8.0

Release notes

Sourced from urllib3's releases.

2.8.0

🚀 urllib3 is fundraising for HTTP/2 support

urllib3 is raising ~$40,000 USD to release HTTP/2 support and ensure long-term sustainable maintenance of the project. If your company or organization uses Python and would benefit from HTTP/2 support in Requests, pip, cloud SDKs, and thousands of other projects please consider contributing financially to ensure HTTP/2 support is developed sustainably and maintained for the long-haul.

Thank you for your support.

Security

Fixed the following security issues:

• The TLS configuration for HTTPS proxies could be ignored or overridden. (High severity, GHSA-8988-9cw3-xx77)
• HTTPResponse.stream() and read_chunked() could buffer a chunk-size line of unbounded length in memory. (High severity, GHSA-vxq7-64xx-v4gw)
• Chunked Deflate streaming could enter an infinite loop. (Medium severity, GHSA-gh4c-6fx4-qh6g)

[!IMPORTANT] urllib3 2.8.0 fixes HTTPS proxy TLS configuration being ignored or overridden by destination settings. Configurations relying on that behavior may require changes.

Configure proxy CA certificates and client certificates in proxy_ssl_context, and proxy identity checks with proxy_assert_hostname or proxy_assert_fingerprint. Destination client certificates and identity overrides no longer apply to HTTPS forwarding proxy connections.

[!NOTE] CVE IDs had not yet been assigned to these advisories at the time of release due to a backlog at GitHub's CNA.

Deprecations & Removals

• Deprecated using an empty collection as the Retry option allowed_methods to retry any verb. (#5044)

Features

• Added Url.auth_decoded and Url.auth_decoded_joined convenience properties to the result of parse_url(). (#4945)
• Added basic_auth_encoding and proxy_basic_auth_encoding parameters to urllib3.util.make_headers(). (#5092)

Bugfixes

• Fixed response header handling to replace obsolete folded header lines (obs-fold) with spaces in accordance with RFC 9112, preventing raw CRLF sequences from appearing in header values such as Set-Cookie. (#1362)

• Fixed usage of proxy_ssl_context with ProxyManager when use_forwarding_for_https=True. Passing ssl_context instead of proxy_ssl_context for HTTPS proxies in this configuration now emits a FutureWarning and will raise an error in v3.0. (#2577)

• Changed behavior of the default ConnectionPool.pool initialization. LifoQueue is now resolved from the queue module after the ConnectionPool is instantiated instead of using the default cached QueueCls class property. This is done because sometimes the queue.LifoQueue is monkey-patched late in the program, such as by gevent. (#3289)

• Raised UnrewindableBodyError instead of ValueError when retrying a request whose body had tell() but not seek(). (#3779)

• Decoded percent-encoded SOCKS proxy credentials before authenticating with the proxy server. (#3785)

• Fixed HTTPResponse.drain_conn() to discard unread response data in 64 KiB chunks (same as the default amt when doing HTTPResponse.stream(...)). (#5019)

• Fixed is_ipaddress() to detect non-standard IPv4 forms accepted by socket.connect, such as hex (0x7f000001), octal (0177.0.0.1), and decimal integers (2130706433), ensuring SSL certificate verification uses the correct mode for these addresses. (#5029)

• Fixed HTTPConnectionPool.urlopen raising a misleading FullPoolError instead of ValueError when called with an invalid timeout argument on a pool created with block=True. (#5059)

• Fixed port-zero handling to preserve explicit :0 values instead of substituting the default ports 80 or 443 in URL parsing, pool selection, proxy configuration, connection_from_url(), and HTTP/2 request authority. (#5071, #5101)

• Fixed a bug where PoolManager passed the assert_hostname and assert_fingerprint parameters to HTTP connection pools. (#5077)

• Fixed HTTPConnectionPool.urlopen() and HTTP proxy forwarding to strip URL fragments from absolute request targets before sending requests. (#5079)

• Added safeguards to the proxy tunneling code to prevent potential security issues when handling invalid characters in the proxy host and HTTP headers. This change affects users of Python 3.10, Python 3.11, and Python 3.12 when the standard library does not contain the fix; those on newer Python versions should upgrade to 3.13.14+ or 3.14.5+ to get the same security fixes. (#5091)

• Fixed HTTPSConnection.connect() overriding ProxyConfig.ssl_context's certificate policy and proxy identity checks with the target connection's TLS settings when forwarding through an HTTPS proxy.

  HTTPSConnection no longer applies target SNI, assertions, or client credentials to forwarding proxy handshakes and continues to use its ssl_context as a fallback when an HTTPS proxy forwards an HTTP target. (#5093)

• Fixed URL parsing to more strictly enforce RFC 3986 host syntax, rejecting invalid host input such as raw spaces and control characters, malformed percent-encodings, and percent-encoded control characters in HTTP(S) hosts and IPv6 zone identifiers, including proxy CONNECT tunnel targets. Host normalization now also follows RFC 3986 normalization rules for percent-encoded octets by decoding percent-encoded unreserved characters and uppercasing the hexadecimal digits of retained percent-encoded octets. (#5095)

... (truncated)

Changelog

Sourced from urllib3's changelog.

2.8.0 (2026-09-15)

Security

Fixed the following security issues:

• The TLS configuration for HTTPS proxies could be ignored or overridden. (High severity, GHSA-8988-9cw3-xx77 <https://github.com/urllib3/urllib3/security/advisories/GHSA-8988-9cw3-xx77>__)
• HTTPResponse.stream() and read_chunked() could buffer a chunk-size line of unbounded length in memory. (High severity, GHSA-vxq7-64xx-v4gw <https://github.com/urllib3/urllib3/security/advisories/GHSA-vxq7-64xx-v4gw>__)
• Chunked Deflate streaming could enter an infinite loop. (Medium severity, GHSA-gh4c-6fx4-qh6g <https://github.com/urllib3/urllib3/security/advisories/GHSA-gh4c-6fx4-qh6g>__)

.. caution::

urllib3 2.8.0 fixes HTTPS proxy TLS configuration being ignored or
overridden by destination settings. Configurations relying on that
behavior may require changes.
Configure proxy CA certificates and client certificates in
proxy_ssl_context, and proxy identity checks with
proxy_assert_hostname or proxy_assert_fingerprint.
Destination client certificates and identity overrides no longer
apply to HTTPS forwarding proxy connections.

Deprecations & Removals

• Deprecated using an empty collection as the Retry option allowed_methods to retry any verb. ([#5044](https://github.com/urllib3/urllib3/issues/5044) <https://github.com/urllib3/urllib3/issues/5044>__)

Features

• Added Url.auth_decoded and Url.auth_decoded_joined convenience properties to the result of parse_url(). ([#4945](https://github.com/urllib3/urllib3/issues/4945) <https://github.com/urllib3/urllib3/issues/4945>__)
• Added basic_auth_encoding and proxy_basic_auth_encoding parameters to urllib3.util.make_headers(). ([#5092](https://github.com/urllib3/urllib3/issues/5092) <https://github.com/urllib3/urllib3/issues/5092>__)

Bugfixes

... (truncated)

Commits

• b1d30ab Release 2.8.0
• 9016d7e Skip test_read_chunked_with_trailing_data_does_not_hang for brotlicffi (#5258)
• 9101f58 Fix nox -s docs warning (#5256)
• cd770b0 Merge commit from fork
• ea2ad7b Merge commit from fork
• 0716e31 Fix loading unencrypted client keys with a password in pyOpenSSL (#5255)
• 43c68c8 Test pickling of InvalidChunkLength (#5247)
• 308b279 Share security policy between GitHub and Read the Docs (#5253)
• 53fa073 Add policy on duplicate pull requests (#5252)
• 5f2a6a8 Assert on the ALPN extension in test_tunnel_sets_http_11_alpn (#5232)
• Additional commits viewable in compare view

Updates yarl to 1.25.1

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