Bump pydantic from 2.13.4 to 2.13.5 (#13615)

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.13.4 to
2.13.5.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/pydantic/pydantic/releases">pydantic's
releases</a>.</em></p>
<blockquote>
<h2>v2.13.5 (2026-08-28)</h2>
<h3>What's Changed</h3>
<h4>Fixes</h4>
<ul>
<li>Allow reuse of validators when plugins are set by <a
href="https://github.com/Viicos"><code>@​Viicos</code></a> in <a
href="https://redirect.github.com/pydantic/pydantic/pull/13535">#13535</a></li>
<li>Fix missing GC traversal on some <code>pydantic-core</code> struct
fields by <a href="https://github.com/Viicos"><code>@​Viicos</code></a>
in <a
href="https://redirect.github.com/pydantic/pydantic/pull/13624">#13624</a></li>
<li>Fix missing GC traversal in <code>pydantic-core</code> for
<code>GeneralFieldsSerializer</code> by <a
href="https://github.com/Viicos"><code>@​Viicos</code></a> in <a
href="https://redirect.github.com/pydantic/pydantic/pull/13629">#13629</a></li>
<li>Count validated model fields once in smart unions by <a
href="https://github.com/tamird"><code>@​tamird</code></a> in <a
href="https://redirect.github.com/pydantic/pydantic/pull/13731">#13731</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/pydantic/pydantic/blob/v2.13.5/HISTORY.md">pydantic's
changelog</a>.</em></p>
<blockquote>
<h2>v2.13.5 (2026-08-28)</h2>
<p><a
href="https://github.com/pydantic/pydantic/releases/tag/v2.13.5">GitHub
release</a></p>
<h3>What's Changed</h3>
<h4>Fixes</h4>
<ul>
<li>Allow reuse of validators when plugins are set by <a
href="https://github.com/Viicos"><code>@​Viicos</code></a> in <a
href="https://redirect.github.com/pydantic/pydantic/pull/13535">#13535</a></li>
<li>Fix missing GC traversal on some <code>pydantic-core</code> struct
fields by <a href="https://github.com/Viicos"><code>@​Viicos</code></a>
in <a
href="https://redirect.github.com/pydantic/pydantic/pull/13624">#13624</a></li>
<li>Fix missing GC traversal in <code>pydantic-core</code> for
<code>GeneralFieldsSerializer</code> by <a
href="https://github.com/Viicos"><code>@​Viicos</code></a> in <a
href="https://redirect.github.com/pydantic/pydantic/pull/13629">#13629</a></li>
<li>Count validated model fields once in smart unions by <a
href="https://github.com/tamird"><code>@​tamird</code></a> in <a
href="https://redirect.github.com/pydantic/pydantic/pull/13731">#13731</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/pydantic/pydantic/commit/001dea020e0809844e5b17666432c9135a976f46"><code>001dea0</code></a>
Bump <code>pypa/gh-action-pypi-publish</code> action to v1.14.2</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/558379fee957fad25858e33596146c72d5674843"><code>558379f</code></a>
Bump twine to v7.0.0</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/2cfd5d3d2ae721ea882c045f83b7f7a4003aab01"><code>2cfd5d3</code></a>
Do not check for docs build</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/a735bee5c64e1fe50785c376adaf1275e752b8ac"><code>a735bee</code></a>
Fix more Clippy lints</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/7eed4a16b87afaced4d0eafae230453de3410d64"><code>7eed4a1</code></a>
Fix Clippy 0.1.95 warnings</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/b353bbb20a4989b4c033e2be2b4a40d36178b16a"><code>b353bbb</code></a>
Prepare release v2.13.5</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/63d2cccd6e760da6bbc7fe81a53cb2bde3768f5e"><code>63d2ccc</code></a>
Count validated model fields once in smart unions</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/a53ec2ed342fda4e6aa3684399d04ea57be9a6e4"><code>a53ec2e</code></a>
Speed up PyPy CI tests</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/d65e0f96e890ca82f4b66a15d5b3bd65af2c661c"><code>d65e0f9</code></a>
Workaround circular import error in Mypy</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/47a6dbf8ad6216211bd0df6ec5c2c6c6ed905b72"><code>47a6dbf</code></a>
Fix missing GC traversal in <code>pydantic-core</code> for
<code>GeneralFieldsSerializer</code></li>
<li>Additional commits viewable in <a
href="https://github.com/pydantic/pydantic/compare/v2.13.4...v2.13.5">compare
view</a></li>
</ul>
</details>
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