Update dependency urllib3 to v2.6.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
urllib3 (changelog)	==2.5.0 -> ==2.6.2
urllib3 (changelog)	==2.6.0 -> ==2.6.2

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Release Notes

urllib3/urllib3 (urllib3)

v2.6.2

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==================

• Fixed HTTPResponse.read_chunked() to properly handle leftover data in
  the decoder's buffer when reading compressed chunked responses.
  (#&#8203;3734 <https://github.com/urllib3/urllib3/issues/3734>__)

v2.6.1

Compare Source

==================

• Restore previously removed HTTPResponse.getheaders() and
  HTTPResponse.getheader() methods.
  (#&#8203;3731 <https://github.com/urllib3/urllib3/issues/3731>__)

v2.6.0

Compare Source

==================

Security

• Fixed a security issue where streaming API could improperly handle highly
  compressed HTTP content ("decompression bombs") leading to excessive resource
  consumption even when a small amount of data was requested. Reading small
  chunks of compressed data is safer and much more efficient now.
  (GHSA-2xpw-w6gg-jr37 <https://github.com/urllib3/urllib3/security/advisories/GHSA-2xpw-w6gg-jr37>__)
• Fixed a security issue where an attacker could compose an HTTP response with
  virtually unlimited links in the Content-Encoding header, potentially
  leading to a denial of service (DoS) attack by exhausting system resources
  during decoding. The number of allowed chained encodings is now limited to 5.
  (GHSA-gm62-xv2j-4w53 <https://github.com/urllib3/urllib3/security/advisories/GHSA-gm62-xv2j-4w53>__)

.. caution::

• If urllib3 is not installed with the optional urllib3[brotli] extra, but
  your environment contains a Brotli/brotlicffi/brotlipy package anyway, make
  sure to upgrade it to at least Brotli 1.2.0 or brotlicffi 1.2.0.0 to
  benefit from the security fixes and avoid warnings. Prefer using
  urllib3[brotli] to install a compatible Brotli package automatically.

• If you use custom decompressors, please make sure to update them to
  respect the changed API of urllib3.response.ContentDecoder.

Features

• Enabled retrieval, deletion, and membership testing in HTTPHeaderDict using bytes keys. (#&#8203;3653 <https://github.com/urllib3/urllib3/issues/3653>__)
• Added host and port information to string representations of HTTPConnection. (#&#8203;3666 <https://github.com/urllib3/urllib3/issues/3666>__)
• Added support for Python 3.14 free-threading builds explicitly. (#&#8203;3696 <https://github.com/urllib3/urllib3/issues/3696>__)

Removals

• Removed the HTTPResponse.getheaders() method in favor of HTTPResponse.headers.
  Removed the HTTPResponse.getheader(name, default) method in favor of HTTPResponse.headers.get(name, default). (#&#8203;3622 <https://github.com/urllib3/urllib3/issues/3622>__)

Bugfixes

• Fixed redirect handling in urllib3.PoolManager when an integer is passed
  for the retries parameter. (#&#8203;3649 <https://github.com/urllib3/urllib3/issues/3649>__)
• Fixed HTTPConnectionPool when used in Emscripten with no explicit port. (#&#8203;3664 <https://github.com/urllib3/urllib3/issues/3664>__)
• Fixed handling of SSLKEYLOGFILE with expandable variables. (#&#8203;3700 <https://github.com/urllib3/urllib3/issues/3700>__)

Misc

• Changed the zstd extra to install backports.zstd instead of zstandard on Python 3.13 and before. (#&#8203;3693 <https://github.com/urllib3/urllib3/issues/3693>__)
• Improved the performance of content decoding by optimizing BytesQueueBuffer class. (#&#8203;3710 <https://github.com/urllib3/urllib3/issues/3710>__)
• Allowed building the urllib3 package with newer setuptools-scm v9.x. (#&#8203;3652 <https://github.com/urllib3/urllib3/issues/3652>__)
• Ensured successful urllib3 builds by setting Hatchling requirement to >= 1.27.0. (#&#8203;3638 <https://github.com/urllib3/urllib3/issues/3638>__)

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