Bump multidict from 6.3.2 to 6.4.2 (aio-libs#10711)

Bumps [multidict](https://github.com/aio-libs/multidict) from 6.3.2 to
6.4.2.
<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>6.4.2</h2>
<h2>Bug fixes</h2>
<ul>
<li>
<p>Fixed a segmentation fault when creating subclassed
:py:class:<code>~multidict.MultiDict</code> objects on Python &lt; 3.11
-- by :user:<code>bdraco</code>.</p>
<p>The problem first appeared in 6.4.0</p>
<p><em>Related issues and pull requests on GitHub:</em>
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1141">#1141</a>.</p>
</li>
</ul>
<hr />
<h2>6.4.1</h2>
<p>No change release of 6.4.0 since the attestations failed to upload to
GitHub</p>
<hr />
<h2>6.4.0</h2>
<h2>Bug fixes</h2>
<ul>
<li>
<p>Fixed a memory leak creating new :class:<code>~multidict.istr</code>
objects -- by :user:<code>bdraco</code>.</p>
<p>The leak was introduced in 6.3.0</p>
<p><em>Related issues and pull requests on GitHub:</em>
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1133">#1133</a>.</p>
</li>
<li>
<p>Fixed reference counting when calling
:py:meth:<code>multidict.MultiDict.update</code> -- by
:user:<code>bdraco</code>.</p>
<p>The leak was introduced in 4.4.0</p>
<p><em>Related issues and pull requests on GitHub:</em>
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1135">#1135</a>.</p>
</li>
</ul>
<h2>Features</h2>
<ul>
<li>
<p>Switched C Extension to use heap types and the module state.</p>
<p><em>Related issues and pull requests on GitHub:</em>
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1125">#1125</a>.</p>
</li>
<li>
<p>Started building armv7l wheels -- by :user:<code>bdraco</code>.</p>
<p><em>Related issues and pull requests on GitHub:</em></p>
</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</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>6.4.2</h1>
<p><em>(2025-04-09)</em></p>
<h2>Bug fixes</h2>
<ul>
<li>
<p>Fixed a segmentation fault when creating subclassed
:py:class:<code>~multidict.MultiDict</code> objects on Python &lt; 3.11
-- by :user:<code>bdraco</code>.</p>
<p>The problem first appeared in 6.4.0</p>
<p><em>Related issues and pull requests on GitHub:</em>
:issue:<code>1141</code>.</p>
</li>
</ul>
<hr />
<h1>6.4.1</h1>
<p><em>(2025-04-09)</em></p>
<p>No significant changes.</p>
<hr />
<h1>6.4.0</h1>
<p><em>(2025-04-09)</em></p>
<h2>Bug fixes</h2>
<ul>
<li>
<p>Fixed a memory leak creating new :class:<code>~multidict.istr</code>
objects -- by :user:<code>bdraco</code>.</p>
<p>The leak was introduced in 6.3.0</p>
<p><em>Related issues and pull requests on GitHub:</em>
:issue:<code>1133</code>.</p>
</li>
<li>
<p>Fixed reference counting when calling
:py:meth:<code>multidict.MultiDict.update</code> -- by
:user:<code>bdraco</code>.</p>
</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/aio-libs/multidict/commit/fe79f9747450f7e52451c29cff8fb93d91ea92ee"><code>fe79f97</code></a>
Release 6.4.2 (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1142">#1142</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/21a6e9302a793c6e5df3c3372b7a1867caf23657"><code>21a6e93</code></a>
Fix segfault in PyType_GetModuleByDef for Python &lt; 3.11 (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1141">#1141</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/2c0d4584ceb61c891ecf2409ea5c5c80672a7850"><code>2c0d458</code></a>
Release 6.4.1 (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1139">#1139</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/caf98ba99d850501a196151b04141f326d05bded"><code>caf98ba</code></a>
Increase deploy timeout to 15 minutes (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1138">#1138</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/c707925ef77386ee6bbf2e57dae600e1a92a1b8f"><code>c707925</code></a>
Release 6.4.0 (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1137">#1137</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/78761cf0efdbd69d1caa72e37fc997f67aef0809"><code>78761cf</code></a>
Fix memory leak creating new istr objects (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1133">#1133</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/e1dee30d95c222fdc3ac768926256f6e1a620fbf"><code>e1dee30</code></a>
Start building armv7l wheels (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1127">#1127</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/f7febaab5cbd586796d375db588334e0e80a5d48"><code>f7febaa</code></a>
Fix ref leak when calling update (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1135">#1135</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/9850454cd1a8e569cf44eab98e50a66f107e6096"><code>9850454</code></a>
[pre-commit.ci] pre-commit autoupdate (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1129">#1129</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/910a498a359d28ddffd30a041230e754317190cc"><code>910a498</code></a>
Refactor test_leaks to drop dead code (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1136">#1136</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/aio-libs/multidict/compare/v6.3.2...v6.4.2">compare
view</a></li>
</ul>
</details>
<br />


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requirements/base.txt

@@ -24,7 +24,7 @@ gunicorn==23.0.0
     # via -r requirements/base.in
 idna==3.6
     # via yarl
-multidict==6.3.2
+multidict==6.4.2
     # via
     #   -r requirements/runtime-deps.in
     #   yarl

requirements/constraints.txt

@@ -109,7 +109,7 @@ markupsafe==3.0.2
     # via jinja2
 mdurl==0.1.2
     # via markdown-it-py
-multidict==6.3.2
+multidict==6.4.2
     # via
     #   -r requirements/multidict.in
     #   -r requirements/runtime-deps.in

requirements/cython.txt

@@ -6,7 +6,7 @@
 #
 cython==3.0.12
     # via -r requirements/cython.in
-multidict==6.3.2
+multidict==6.4.2
     # via -r requirements/multidict.in
 typing-extensions==4.13.1
     # via multidict

requirements/dev.txt

@@ -107,7 +107,7 @@ markupsafe==3.0.2
     # via jinja2
 mdurl==0.1.2
     # via markdown-it-py
-multidict==6.3.2
+multidict==6.4.2
     # 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==6.3.2
+multidict==6.4.2
     # via -r requirements/multidict.in
 typing-extensions==4.13.1
     # via multidict

requirements/runtime-deps.txt

@@ -22,7 +22,7 @@ frozenlist==1.5.0
     #   aiosignal
 idna==3.6
     # via yarl
-multidict==6.3.2
+multidict==6.4.2
     # via
     #   -r requirements/runtime-deps.in
     #   yarl

requirements/test.txt

@@ -55,7 +55,7 @@ markdown-it-py==3.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py
-multidict==6.3.2
+multidict==6.4.2
     # via
     #   -r requirements/runtime-deps.in
     #   yarl