Build: Bump pydantic from 2.12.3 to 2.12.4 (#2721)

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Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.12.3 to
2.12.4.
<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>v2.12.4 2025-11-05</h2>
<h2>v2.12.4 (2025-11-05)</h2>
<p>This is the fourth 2.12 patch release, fixing more regressions, and
reverting a change in the <code>build()</code> method
of the <a
href="https://docs.pydantic.dev/latest/api/networks/"><code>AnyUrl</code>
and Dsn types</a>.</p>
<p>This patch release also fixes an issue with the serialization of IP
address types, when <code>serialize_as_any</code> is used. The next
patch release
will try to address the remaining issues with <em>serialize as any</em>
behavior by introducing a new <em>polymorphic serialization</em>
feature, that
should be used in most cases in place of <em>serialize as any</em>.</p>
<ul>
<li>
<p>Fix issue with forward references in parent <code>TypedDict</code>
classes by <a href="https://github.com/Viicos"><code>@​Viicos</code></a>
in <a
href="https://redirect.github.com/pydantic/pydantic/pull/12427">#12427</a>.</p>
<p>This issue is only relevant on Python 3.14 and greater.</p>
</li>
<li>
<p>Exclude fields with <code>exclude_if</code> from JSON Schema required
fields by <a href="https://github.com/Viicos"><code>@​Viicos</code></a>
in <a
href="https://redirect.github.com/pydantic/pydantic/pull/12430">#12430</a></p>
</li>
<li>
<p>Revert URL percent-encoding of credentials in the
<code>build()</code> method of the <a
href="https://docs.pydantic.dev/latest/api/networks/"><code>AnyUrl</code>
and Dsn types</a> by <a
href="https://github.com/davidhewitt"><code>@​davidhewitt</code></a> in
<a
href="https://redirect.github.com/pydantic/pydantic-core/pull/1833">pydantic-core#1833</a>.</p>
<p>This was initially considered as a bugfix, but caused regressions and
as such was fully reverted. The next release will include
an opt-in option to percent-encode components of the URL.</p>
</li>
<li>
<p>Add type inference for IP address types by <a
href="https://github.com/davidhewitt"><code>@​davidhewitt</code></a> in
<a
href="https://redirect.github.com/pydantic/pydantic-core/pull/1868">pydantic-core#1868</a>.</p>
<p>The 2.12 changes to the <code>serialize_as_any</code> behavior made
it so that IP address types could not properly serialize to JSON.</p>
</li>
<li>
<p>Avoid getting default values from defaultdict by <a
href="https://github.com/davidhewitt"><code>@​davidhewitt</code></a> in
<a
href="https://redirect.github.com/pydantic/pydantic-core/pull/1853">pydantic-core#1853</a>.</p>
<p>This fixes a subtle regression in the validation behavior of the <a
href="https://docs.python.org/3/library/collections.html#collections.defaultdict"><code>collections.defaultdict</code></a>
type.</p>
</li>
<li>
<p>Fix issue with field serializers on nested typed dictionaries by <a
href="https://github.com/davidhewitt"><code>@​davidhewitt</code></a> in
<a
href="https://redirect.github.com/pydantic/pydantic-core/pull/1879">pydantic-core#1879</a>.</p>
</li>
<li>
<p>Add more <code>pydantic-core</code> builds for the three-threaded
version of Python 3.14 by <a
href="https://github.com/davidhewitt"><code>@​davidhewitt</code></a> in
<a
href="https://redirect.github.com/pydantic/pydantic-core/pull/1864">pydantic-core#1864</a>.</p>
</li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/pydantic/pydantic/compare/v2.12.3...v2.12.4">https://github.com/pydantic/pydantic/compare/v2.12.3...v2.12.4</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/pydantic/pydantic/blob/v2.12.4/HISTORY.md">pydantic's
changelog</a>.</em></p>
<blockquote>
<h2>v2.12.4 (2025-11-05)</h2>
<p><a
href="https://github.com/pydantic/pydantic/releases/tag/v2.12.4">GitHub
release</a></p>
<p>This is the fourth 2.12 patch release, fixing more regressions, and
reverting a change in the <code>build()</code> method
of the <a
href="https://docs.pydantic.dev/latest/api/networks/"><code>AnyUrl</code>
and Dsn types</a>.</p>
<p>This patch release also fixes an issue with the serialization of IP
address types, when <code>serialize_as_any</code> is used. The next
patch release
will try to address the remaining issues with <em>serialize as any</em>
behavior by introducing a new <em>polymorphic serialization</em>
feature, that
should be used in most cases in place of <em>serialize as any</em>.</p>
<ul>
<li>
<p>Fix issue with forward references in parent <code>TypedDict</code>
classes by <a href="https://github.com/Viicos"><code>@​Viicos</code></a>
in <a
href="https://redirect.github.com/pydantic/pydantic/pull/12427">#12427</a>.</p>
<p>This issue is only relevant on Python 3.14 and greater.</p>
</li>
<li>
<p>Exclude fields with <code>exclude_if</code> from JSON Schema required
fields by <a href="https://github.com/Viicos"><code>@​Viicos</code></a>
in <a
href="https://redirect.github.com/pydantic/pydantic/pull/12430">#12430</a></p>
</li>
<li>
<p>Revert URL percent-encoding of credentials in the
<code>build()</code> method
of the <a
href="https://docs.pydantic.dev/latest/api/networks/"><code>AnyUrl</code>
and Dsn types</a> by <a
href="https://github.com/davidhewitt"><code>@​davidhewitt</code></a> in
<a
href="https://redirect.github.com/pydantic/pydantic-core/pull/1833">pydantic-core#1833</a>.</p>
<p>This was initially considered as a bugfix, but caused regressions and
as such was fully reverted. The next release will include
an opt-in option to percent-encode components of the URL.</p>
</li>
<li>
<p>Add type inference for IP address types by <a
href="https://github.com/davidhewitt"><code>@​davidhewitt</code></a> in
<a
href="https://redirect.github.com/pydantic/pydantic-core/pull/1868">pydantic-core#1868</a>.</p>
<p>The 2.12 changes to the <code>serialize_as_any</code> behavior made
it so that IP address types could not properly serialize to JSON.</p>
</li>
<li>
<p>Avoid getting default values from defaultdict by <a
href="https://github.com/davidhewitt"><code>@​davidhewitt</code></a> in
<a
href="https://redirect.github.com/pydantic/pydantic-core/pull/1853">pydantic-core#1853</a>.</p>
<p>This fixes a subtle regression in the validation behavior of the <a
href="https://docs.python.org/3/library/collections.html#collections.defaultdict"><code>collections.defaultdict</code></a>
type.</p>
</li>
<li>
<p>Fix issue with field serializers on nested typed dictionaries by <a
href="https://github.com/davidhewitt"><code>@​davidhewitt</code></a> in
<a
href="https://redirect.github.com/pydantic/pydantic-core/pull/1879">pydantic-core#1879</a>.</p>
</li>
<li>
<p>Add more <code>pydantic-core</code> builds for the three-threaded
version of Python 3.14 by <a
href="https://github.com/davidhewitt"><code>@​davidhewitt</code></a> in
<a
href="https://redirect.github.com/pydantic/pydantic-core/pull/1864">pydantic-core#1864</a>.</p>
</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/pydantic/pydantic/commit/5c842dfc9c245fb37aa1f5ec5b55c1aed10bd7e6"><code>5c842df</code></a>
Prepare release v2.12.4</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/c678a710e8b8bb2ff4dce6233c6d5c88dc579136"><code>c678a71</code></a>
Bump <code>pydantic-core</code> to v2.41.5</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/a7cd29254b2611c5768beb86e7ffd2c1c130a19a"><code>a7cd292</code></a>
Bump <code>cloudpickle</code> to v3.1.2</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/21f627801b5eedfa87bed55925f73cf329cc9c2c"><code>21f6278</code></a>
Bump actions/setup-node from 5 to 6</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/8d6be8fea9662203977b95758d97ec298edcd54a"><code>8d6be8f</code></a>
Bump astral-sh/setup-uv from 6 to 7</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/17865ea3a1fd389ba697990b762f82a419a48221"><code>17865ea</code></a>
Bump actions/upload-artifact from 4 to 5</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/90ad0af6b9340f72dde77997ed18fc180771e69f"><code>90ad0af</code></a>
Bump actions/download-artifact from 5 to 6</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/18e6672b6fdeaeb75ccbbcb3c7883509b1f56cb3"><code>18e6672</code></a>
Drop testing under PyPy 3.9</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/650215be2d2336a72af481b724b368fed356d7e8"><code>650215b</code></a>
Document workaround for <code>MongoDsn</code> default port</li>
<li><a
href="https://github.com/pydantic/pydantic/commit/e3267902272d8290ed6d1ae06f43052b2968ef14"><code>e326790</code></a>
Fix example of for <code>bytes_invalid_encoding</code> validation
error</li>
<li>Additional commits viewable in <a
href="https://github.com/pydantic/pydantic/compare/v2.12.3...v2.12.4">compare
view</a></li>
</ul>
</details>
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