Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.5.0 to 2.6.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/urllib3/urllib3/releases">urllib3's
releases</a>.</em></p>
<blockquote>
<h2>2.6.0</h2>
<h2>🚀 urllib3 is fundraising for HTTP/2 support</h2>
<p><a
href="https://sethmlarson.dev/urllib3-is-fundraising-for-http2-support">urllib3
is raising ~$40,000 USD</a> to release HTTP/2 support and ensure
long-term sustainable maintenance of the project after a sharp decline
in financial support. If your company or organization uses Python and
would benefit from HTTP/2 support in Requests, pip, cloud SDKs, and
thousands of other projects <a
href="https://opencollective.com/urllib3">please consider contributing
financially</a> to ensure HTTP/2 support is developed sustainably and
maintained for the long-haul.</p>
<p>Thank you for your support.</p>
<h2>Security</h2>
<ul>
<li>Fixed a security issue where streaming API could improperly handle
highly compressed HTTP content (&quot;decompression bombs&quot;) 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. (CVE-2025-66471 reported by <a
href="https://github.com/Cycloctane"><code>@​Cycloctane</code></a>, 8.9
High, GHSA-2xpw-w6gg-jr37)</li>
<li>Fixed a security issue where an attacker could compose an HTTP
response with virtually unlimited links in the
<code>Content-Encoding</code> 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. (CVE-2025-66418
reported by <a
href="https://github.com/illia-v"><code>@​illia-v</code></a>, 8.9 High,
GHSA-gm62-xv2j-4w53)</li>
</ul>
<blockquote>
<p>[!IMPORTANT]</p>
<ul>
<li>If urllib3 is not installed with the optional
<code>urllib3[brotli]</code> 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 <code>urllib3[brotli]</code> to
install a compatible Brotli package automatically.</li>
<li>If you use custom decompressors, please make sure to update them to
respect the changed API of
<code>urllib3.response.ContentDecoder</code>.</li>
</ul>
</blockquote>
<h2>Features</h2>
<ul>
<li>Enabled retrieval, deletion, and membership testing in
<code>HTTPHeaderDict</code> using bytes keys. (<a
href="https://github.com/urllib3/urllib3/issues/3653">#3653</a>)</li>
<li>Added host and port information to string representations of
<code>HTTPConnection</code>. (<a
href="https://github.com/urllib3/urllib3/issues/3666">#3666</a>)</li>
<li>Added support for Python 3.14 free-threading builds explicitly. (<a
href="https://github.com/urllib3/urllib3/issues/3696">#3696</a>)</li>
</ul>
<h2>Removals</h2>
<ul>
<li>Removed the <code>HTTPResponse.getheaders()</code> method in favor
of <code>HTTPResponse.headers</code>. Removed the
<code>HTTPResponse.getheader(name, default)</code> method in favor of
<code>HTTPResponse.headers.get(name, default)</code>. (<a
href="https://github.com/urllib3/urllib3/issues/3622">#3622</a>)</li>
</ul>
<h2>Bugfixes</h2>
<ul>
<li>Fixed redirect handling in <code>urllib3.PoolManager</code> when an
integer is passed for the retries parameter. (<a
href="https://github.com/urllib3/urllib3/issues/3649">#3649</a>)</li>
<li>Fixed <code>HTTPConnectionPool</code> when used in Emscripten with
no explicit port. (<a
href="https://github.com/urllib3/urllib3/issues/3664">#3664</a>)</li>
<li>Fixed handling of <code>SSLKEYLOGFILE</code> with expandable
variables. (<a
href="https://github.com/urllib3/urllib3/issues/3700">#3700</a>)</li>
</ul>
<h2>Misc</h2>
<ul>
<li>Changed the <code>zstd</code> extra to install
<code>backports.zstd</code> instead of <code>zstandard</code> on Python
3.13 and before. (<a
href="https://github.com/urllib3/urllib3/issues/3693">#3693</a>)</li>
<li>Improved the performance of content decoding by optimizing
<code>BytesQueueBuffer</code> class. (<a
href="https://github.com/urllib3/urllib3/issues/3710">#3710</a>)</li>
<li>Allowed building the urllib3 package with newer setuptools-scm v9.x.
(<a
href="https://github.com/urllib3/urllib3/issues/3652">#3652</a>)</li>
<li>Ensured successful urllib3 builds by setting Hatchling requirement
to ≥ 1.27.0. (<a
href="https://github.com/urllib3/urllib3/issues/3638">#3638</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/urllib3/urllib3/blob/main/CHANGES.rst">urllib3's
changelog</a>.</em></p>
<blockquote>
<h1>2.6.0 (2025-12-05)</h1>
<h2>Security</h2>
<ul>
<li>Fixed a security issue where streaming API could improperly handle
highly
compressed HTTP content (&quot;decompression bombs&quot;) 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.
(<code>GHSA-2xpw-w6gg-jr37
&lt;https://github.com/urllib3/urllib3/security/advisories/GHSA-2xpw-w6gg-jr37&gt;</code>__)</li>
<li>Fixed a security issue where an attacker could compose an HTTP
response with
virtually unlimited links in the <code>Content-Encoding</code> 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.
(<code>GHSA-gm62-xv2j-4w53
&lt;https://github.com/urllib3/urllib3/security/advisories/GHSA-gm62-xv2j-4w53&gt;</code>__)</li>
</ul>
<p>.. caution::</p>
<ul>
<li>
<p>If urllib3 is not installed with the optional
<code>urllib3[brotli]</code> 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
<code>urllib3[brotli]</code> to install a compatible Brotli package
automatically.</p>
</li>
<li>
<p>If you use custom decompressors, please make sure to update them to
respect the changed API of
<code>urllib3.response.ContentDecoder</code>.</p>
</li>
</ul>
<h2>Features</h2>
<ul>
<li>Enabled retrieval, deletion, and membership testing in
<code>HTTPHeaderDict</code> using bytes keys.
(<code>[intel#3653](urllib3/urllib3#3653)
&lt;https://github.com/urllib3/urllib3/issues/3653&gt;</code>__)</li>
<li>Added host and port information to string representations of
<code>HTTPConnection</code>.
(<code>[intel#3666](urllib3/urllib3#3666)
&lt;https://github.com/urllib3/urllib3/issues/3666&gt;</code>__)</li>
<li>Added support for Python 3.14 free-threading builds explicitly.
(<code>[intel#3696](urllib3/urllib3#3696)
&lt;https://github.com/urllib3/urllib3/issues/3696&gt;</code>__)</li>
</ul>
<h2>Removals</h2>
<ul>
<li>Removed the <code>HTTPResponse.getheaders()</code> method in favor
of <code>HTTPResponse.headers</code>.
Removed the <code>HTTPResponse.getheader(name, default)</code> method in
favor of <code>HTTPResponse.headers.get(name, default)</code>.
(<code>[intel#3622](urllib3/urllib3#3622)
&lt;https://github.com/urllib3/urllib3/issues/3622&gt;</code>__)</li>
</ul>
<h2>Bugfixes</h2>
<ul>
<li>Fixed redirect handling in <code>urllib3.PoolManager</code> when an
integer is passed
for the retries parameter.
(<code>[intel#3649](urllib3/urllib3#3649)
&lt;https://github.com/urllib3/urllib3/issues/3649&gt;</code>__)</li>
<li>Fixed <code>HTTPConnectionPool</code> when used in Emscripten with
no explicit port.
(<code>[intel#3664](urllib3/urllib3#3664)
&lt;https://github.com/urllib3/urllib3/issues/3664&gt;</code>__)</li>
<li>Fixed handling of <code>SSLKEYLOGFILE</code> with expandable
variables.
(<code>[#3700](urllib3/urllib3#3700)
&lt;https://github.com/urllib3/urllib3/issues/3700&gt;</code>__)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/urllib3/urllib3/commit/720f484b605f18887a48eef448d0084e2b76902d"><code>720f484</code></a>
Release 2.6.0</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/24d7b67eac89f94e11003424bcf0d8f7b72222a8"><code>24d7b67</code></a>
Merge commit from fork</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/c19571de34c47de3a766541b041637ba5f716ed7"><code>c19571d</code></a>
Merge commit from fork</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/816fcf04528bc0f89672e13398eb813dcc892490"><code>816fcf0</code></a>
Bump actions/setup-python from 6.0.0 to 6.1.0 (<a
href="https://github.com/urllib3/urllib3/issues/3725">#3725</a>)</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/18af0a10efc4c99dd028f7ad5a461470b9a8b0fd"><code>18af0a1</code></a>
Improve speed of <code>BytesQueueBuffer.get()</code> by using memoryview
(<a
href="https://github.com/urllib3/urllib3/issues/3711">#3711</a>)</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/1f6abac3e6d426c3939b8a17cf4afa099e691ab2"><code>1f6abac</code></a>
Bump versions of pre-commit hooks (<a
href="https://github.com/urllib3/urllib3/issues/3716">#3716</a>)</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/1c8fbf787b8e6ed151842c5d6874c9d5bdbf1d0b"><code>1c8fbf7</code></a>
Bump actions/checkout from 5.0.0 to 6.0.0 (<a
href="https://github.com/urllib3/urllib3/issues/3722">#3722</a>)</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/7784b9eee95b7c90802c02b111e98df70259ae4f"><code>7784b9e</code></a>
Add Python 3.15 to CI (<a
href="https://github.com/urllib3/urllib3/issues/3717">#3717</a>)</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/0241c9e7286d3008e3cce18effc13b40dc633385"><code>0241c9e</code></a>
Updated docs to reflect change in optional zstd dependency from
<code>zstandard</code> t...</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/7afcabb6489d9a8ea95a40e5afcb46463af17351"><code>7afcabb</code></a>
Expand environment variable of SSLKEYLOGFILE (<a
href="https://github.com/urllib3/urllib3/issues/3705">#3705</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/urllib3/urllib3/compare/2.5.0...2.6.0">compare
view</a></li>
</ul>
</details>
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