Bump multidict from 6.4.2 to 6.4.3 (#10720)

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---

[//]: # (dependabot-end)

Bumps [multidict](https://github.com/aio-libs/multidict) from 6.4.2 to
6.4.3.
<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>6.4.3</h2>
<h2>Bug fixes</h2>
<ul>
<li>
<p>Fixed building the library in debug mode.</p>
<p><em>Related issues and pull requests on GitHub:</em>
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1144">#1144</a>.</p>
</li>
<li>
<p>Fixed custom <code>PyType_GetModuleByDef()</code> when non-heap type
object was passed.</p>
<p><em>Related issues and pull requests on GitHub:</em>
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1147">#1147</a>.</p>
</li>
</ul>
<h2>Packaging updates and notes for downstreams</h2>
<ul>
<li>
<p>Added the ability to build in debug mode by setting
:envvar:<code>MULTIDICT_DEBUG_BUILD</code> in the environment -- by
:user:<code>bdraco</code>.</p>
<p><em>Related issues and pull requests on GitHub:</em>
<a
href="https://redirect.github.com/aio-libs/multidict/issues/1145">#1145</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>6.4.3</h1>
<p><em>(2025-04-10)</em></p>
<h2>Bug fixes</h2>
<ul>
<li>
<p>Fixed building the library in debug mode.</p>
<p><em>Related issues and pull requests on GitHub:</em>
:issue:<code>1144</code>.</p>
</li>
<li>
<p>Fixed custom <code>PyType_GetModuleByDef()</code> when non-heap type
object was passed.</p>
<p><em>Related issues and pull requests on GitHub:</em>
:issue:<code>1147</code>.</p>
</li>
</ul>
<h2>Packaging updates and notes for downstreams</h2>
<ul>
<li>
<p>Added the ability to build in debug mode by setting
:envvar:<code>MULTIDICT_DEBUG_BUILD</code> in the environment -- by
:user:<code>bdraco</code>.</p>
<p><em>Related issues and pull requests on GitHub:</em>
:issue:<code>1145</code>.</p>
</li>
</ul>
<hr />
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/aio-libs/multidict/commit/5f64e68142df6b4b3075b9df6d7b80b50e4a26eb"><code>5f64e68</code></a>
Release 6.4.3 (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1148">#1148</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/28b7b4b3361b828ada967a5c045abb289c62ee1a"><code>28b7b4b</code></a>
Run tests in debug mode as well (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1146">#1146</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/cf690d5e377b16eef63ec96f81a1b536152928d3"><code>cf690d5</code></a>
Fix custom PyType_GetModuleByDef when non-heap type object was passed
(<a
href="https://redirect.github.com/aio-libs/multidict/issues/1147">#1147</a>)</li>
<li><a
href="https://github.com/aio-libs/multidict/commit/57c09c058b04558620a864d78ded2a591cafc66e"><code>57c09c0</code></a>
Fix the library building in debug mode (<a
href="https://redirect.github.com/aio-libs/multidict/issues/1144">#1144</a>)</li>
<li>See full diff in <a
href="https://github.com/aio-libs/multidict/compare/v6.4.2...v6.4.3">compare
view</a></li>
</ul>
</details>
<br />


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Signed-off-by: dependabot[bot] <[email protected]>
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Author: dependabot[bot]

requirements/base.txt

@@ -24,7 +24,7 @@ gunicorn==23.0.0
     # via -r requirements/base.in
 idna==3.6
     # via yarl
-multidict==6.4.2
+multidict==6.4.3
     # 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==6.4.2
+multidict==6.4.3
     # 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==6.4.2
+multidict==6.4.3
     # via -r requirements/multidict.in
 typing-extensions==4.13.2
     # via multidict

requirements/dev.txt

@@ -107,7 +107,7 @@ markupsafe==3.0.2
     # via jinja2
 mdurl==0.1.2
     # via markdown-it-py
-multidict==6.4.2
+multidict==6.4.3
     # 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==6.4.2
+multidict==6.4.3
     # via -r requirements/multidict.in
 typing-extensions==4.13.2
     # via multidict

requirements/runtime-deps.txt

@@ -22,7 +22,7 @@ frozenlist==1.5.0
     #   aiosignal
 idna==3.6
     # via yarl
-multidict==6.4.2
+multidict==6.4.3
     # 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==6.4.2
+multidict==6.4.3
     # via
     #   -r requirements/runtime-deps.in
     #   yarl