Bump multidict from 6.6.3 to 6.6.4 (#11424)

Bumps [multidict](https://github.com/aio-libs/multidict) from 6.6.3 to
6.6.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/aio-libs/multidict/releases">multidict's
releases</a>.</em></p>
<blockquote>
<h2>6.6.4</h2>
<h2>Bug fixes</h2>
<ul>
<li>
<p>Fixed <code>MutliDict</code> &amp; <code>CIMultiDict</code> memory
leak when deleting values or clearing them
-- by :user:<code>Vizonex</code></p>
<p><em>Related issues and pull requests on GitHub:</em>
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1233">#1233</a>.</p>
</li>
</ul>
<h2>Contributor-facing changes</h2>
<ul>
<li>
<p>The type preciseness coverage report generated by <code>MyPy
&lt;https://mypy-lang.org&gt;</code>__ is now uploaded to
<code>Coveralls
&lt;https://coveralls.io/github/aio-libs/multidict&gt;</code>__ and
will not be included in the <code>Codecov views
&lt;https://app.codecov.io/gh/aio-libs/multidict&gt;</code>__ going
forward
-- by :user:<code>webknjaz</code>.</p>
<p><em>Related issues and pull requests on GitHub:</em>
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1122">#1122</a>,
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1231">#1231</a>.</p>
</li>
<li>
<p>Added memory leak test for popping or deleting attributes from a
multidict to prevent future issues or bogus claims.
-- by :user:<code>Vizonex</code></p>
<p><em>Related issues and pull requests on GitHub:</em>
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1233">#1233</a>.</p>
</li>
</ul>
<hr />
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/aio-libs/multidict/blob/master/CHANGES.rst">multidict's
changelog</a>.</em></p>
<blockquote>
<h1>6.6.4</h1>
<p><em>(2025-08-11)</em></p>
<h2>Bug fixes</h2>
<ul>
<li>
<p>Fixed <code>MutliDict</code> &amp; <code>CIMultiDict</code> memory
leak when deleting values or clearing them
-- by :user:<code>Vizonex</code></p>
<p><em>Related issues and pull requests on GitHub:</em>
:issue:<code>1233</code>.</p>
</li>
</ul>
<h2>Contributor-facing changes</h2>
<ul>
<li>
<p>The type preciseness coverage report generated by <code>MyPy
&lt;https://mypy-lang.org&gt;</code>__ is now uploaded to
<code>Coveralls
&lt;https://coveralls.io/github/aio-libs/multidict&gt;</code>__ and
will not be included in the <code>Codecov views
&lt;https://app.codecov.io/gh/aio-libs/multidict&gt;</code>__ going
forward
-- by :user:<code>webknjaz</code>.</p>
<p><em>Related issues and pull requests on GitHub:</em>
:issue:<code>1122</code>, :issue:<code>1231</code>.</p>
</li>
<li>
<p>Added memory leak test for popping or deleting attributes from a
multidict to prevent future issues or bogus claims.
-- by :user:<code>Vizonex</code></p>
<p><em>Related issues and pull requests on GitHub:</em>
:issue:<code>1233</code>.</p>
</li>
</ul>
<hr />
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/aio-libs/multidict/commit/e0e61c28e9f66efcdce01cde9d6772518f6e9224"><code>e0e61c2</code></a>
Release 6.6.4 (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1234">#1234</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/820631f83e976d294c450c9f1d3aa6666857cce0"><code>820631f</code></a>
Fix Memory leaks and add tests to prevent memory leaks during md_clear
from p...</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/00e3803fd6edb599de926c0870836c252f4152e9"><code>00e3803</code></a>
Merge branch 'maintenance/1122-coveralls-mypy'</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/736f1797fd9981ace6b553472ef5eabc2d6ddbc3"><code>736f179</code></a>
📝 Add a change note for PR <a
href="https://redirect.github.com/aio-libs/multidict/issues/1231">#1231</a></li>
<li><a
href="https://github.com/aio-libs/multidict/commit/19f085e90e681d2ebaa6d15bf3ebfa78251987e4"><code>19f085e</code></a>
🩹 Drop MyPy 3.9 ref from the linters workflow</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/97ce0edf25b227feb23d1c7cf35bf14d29eceb1f"><code>97ce0ed</code></a>
Move reporting MyPy type preciseness to Coveralls</li>
<li>See full diff in <a
href="https://github.com/aio-libs/multidict/compare/v6.6.3...v6.6.4">compare
view</a></li>
</ul>
</details>
<br />


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Author: dependabot[bot]

requirements/base.txt

@@ -26,7 +26,7 @@ gunicorn==23.0.0
     # via -r requirements/base.in
 idna==3.4
     # via yarl
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   -r requirements/runtime-deps.in
     #   yarl

requirements/constraints.txt

@@ -113,7 +113,7 @@ markupsafe==3.0.2
     # via jinja2
 mdurl==0.1.2
     # via markdown-it-py
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   -r requirements/multidict.in
     #   -r requirements/runtime-deps.in

requirements/cython.txt

@@ -6,7 +6,7 @@
 #
 cython==3.1.2
     # via -r requirements/cython.in
-multidict==6.6.3
+multidict==6.6.4
     # via -r requirements/multidict.in
 typing-extensions==4.14.1
     # via multidict

requirements/dev.txt

@@ -111,7 +111,7 @@ markupsafe==3.0.2
     # via jinja2
 mdurl==0.1.2
     # via markdown-it-py
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   -r requirements/runtime-deps.in
     #   yarl

requirements/multidict.txt

@@ -4,7 +4,7 @@
 #
 #    pip-compile --allow-unsafe --output-file=requirements/multidict.txt --resolver=backtracking --strip-extras requirements/multidict.in
 #
-multidict==6.6.3
+multidict==6.6.4
     # via -r requirements/multidict.in
 typing-extensions==4.14.1
     # via multidict

requirements/runtime-deps.txt

@@ -24,7 +24,7 @@ frozenlist==1.7.0
     #   aiosignal
 idna==3.10
     # via yarl
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   -r requirements/runtime-deps.in
     #   yarl

requirements/test.txt

@@ -59,7 +59,7 @@ markdown-it-py==3.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   -r requirements/runtime-deps.in
     #   yarl