MINOR: [C#] Bump pythonnet from 3.0.4 to 3.0.5 in /csharp (#45036)

Bumps [pythonnet](https://github.com/pythonnet/pythonnet) from 3.0.4 to 3.0.5.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/pythonnet/pythonnet/releases">pythonnet's releases</a>.</em></p>
<blockquote>
<h2>v3.0.5</h2>
<h2>What's Changed</h2>
<ul>
<li>Drop console application by <a href="https://github.com/filmor"><code>@​filmor</code></a> in <a href="https://redirect.github.com/pythonnet/pythonnet/pull/2456">pythonnet/pythonnet#2456</a></li>
<li>Drop reference to Py_Main by <a href="https://github.com/filmor"><code>@​filmor</code></a> in <a href="https://redirect.github.com/pythonnet/pythonnet/pull/2504">pythonnet/pythonnet#2504</a></li>
<li>Python 3.13 by <a href="https://github.com/filmor"><code>@​filmor</code></a> in <a href="https://redirect.github.com/pythonnet/pythonnet/pull/2454">pythonnet/pythonnet#2454</a>, special thanks to <a href="https://github.com/kunom"><code>@​kunom</code></a> for the debugging work!</li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/pythonnet/pythonnet/compare/v3.0.4...v3.0.5">https://github.com/pythonnet/pythonnet/compare/v3.0.4...v3.0.5</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/pythonnet/pythonnet/blob/master/CHANGELOG.md">pythonnet's changelog</a>.</em></p>
<blockquote>
<h2><a href="https://github.com/pythonnet/pythonnet/releases/tag/v3.0.5">3.0.5</a> - 2024-12-13</h2>
<h3>Added</h3>
<ul>
<li>Support for Python 3.13 (<a href="https://redirect.github.com/pythonnet/pythonnet/issues/2454">#2454</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/pythonnet/pythonnet/commit/0826fc0bffb9aa6f91abae37f05e4b259c0ca94f"><code>0826fc0</code></a> Release 3.0.5</li>
<li><a href="https://github.com/pythonnet/pythonnet/commit/4132a3605662fc944fff0c66f91b8f9532d1dca2"><code>4132a36</code></a> Merge pull request <a href="https://redirect.github.com/pythonnet/pythonnet/issues/2454">#2454</a> from pythonnet/python3.13</li>
<li><a href="https://github.com/pythonnet/pythonnet/commit/0ea8e6f479426c5e6eb38e00843c34fa3153a6db"><code>0ea8e6f</code></a> Remove win-x86-py3.13 entirely for now</li>
<li><a href="https://github.com/pythonnet/pythonnet/commit/7c87fec879573089e62831230878b7216320ebc0"><code>7c87fec</code></a> Workaround for setuptools bug <a href="https://redirect.github.com/pythonnet/pythonnet/issues/4759">#4759</a></li>
<li><a href="https://github.com/pythonnet/pythonnet/commit/8f0ccb75b8c5239d995e4f84f528c0dbdbd316f8"><code>8f0ccb7</code></a> Add changelog entry</li>
<li><a href="https://github.com/pythonnet/pythonnet/commit/60a057f36402578a69403d0e195925468a50c87b"><code>60a057f</code></a> Skip embed tests on Python 3.13 for now</li>
<li><a href="https://github.com/pythonnet/pythonnet/commit/1920b19749082c6b8c57fd77164f2fbe2d8d775c"><code>1920b19</code></a> Xfail a test that only fails locally on my machine right now</li>
<li><a href="https://github.com/pythonnet/pythonnet/commit/828362748ee097bddfe292e46ec6f748e7c3ecd6"><code>8283627</code></a> Raise maximum supported version</li>
<li><a href="https://github.com/pythonnet/pythonnet/commit/4bb673f960ce1f9aa77157dda4f2a83cb3476eb8"><code>4bb673f</code></a> Bump clr-loader and dev dependencies</li>
<li><a href="https://github.com/pythonnet/pythonnet/commit/88d98f2f1a69a4658a8a5053f86015701cde8227"><code>88d98f2</code></a> Workaround for geninterop failure to handle non-pointer fields</li>
<li>Additional commits viewable in <a href="https://github.com/pythonnet/pythonnet/compare/v3.0.4...v3.0.5">compare view</a></li>
</ul>
</details>
<br />

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Authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Signed-off-by: Curt Hagenlocher <[email protected]>

Author: dependabot[bot]

csharp/test/Apache.Arrow.Tests/Apache.Arrow.Tests.csproj

@@ -23,7 +23,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
     <PackageReference Include="xunit.skippablefact" Version="1.5.23" />
-    <PackageReference Include="pythonnet" Version="3.0.4" />
+    <PackageReference Include="pythonnet" Version="3.0.5" />
   </ItemGroup>
 
   <ItemGroup>