Bump Microsoft.NET.Test.Sdk from 17.6.2 to 17.6.3 in /dotnet (#1825)

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from
17.6.2 to 17.6.3.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/microsoft/vstest/releases">Microsoft.NET.Test.Sdk's
releases</a>.</em></p>
<blockquote>
<h2>v17.6.3</h2>
<h3>Issues Fixed</h3>
<ul>
<li>[rel/17.6] Update version to 17.6.3 by <a
href="https://github.com/nohwnd"><code>@​nohwnd</code></a> in <a
href="https://redirect.github.com/microsoft/vstest/pull/4555">#4555</a></li>
<li>[rel/17.6] Disable pre-start of testhosts by <a
href="https://github.com/nohwnd"><code>@​nohwnd</code></a> in <a
href="https://redirect.github.com/microsoft/vstest/pull/4554">#4554</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/microsoft/vstest/compare/v17.6.2...v17.6.3">https://github.com/microsoft/vstest/compare/v17.6.2...v17.6.3</a></p>
<h3>Artifacts</h3>
<ul>
<li>TestPlatform vsix: <a
href="https://vsdrop.corp.microsoft.com/file/v1/Products/DevDiv/microsoft/vstest/17.6/20230627-01;/TestPlatform.vsix">17.6.3</a></li>
<li>Microsoft.TestPlatform.ObjectModel : <a
href="https://www.nuget.org/packages/Microsoft.TestPlatform.ObjectModel/17.6.3">17.6.3</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/vstest/commit/e7ea853f64af5a4c240acaf9e54cdae3ae0eb7bb"><code>e7ea853</code></a>
[rel/17.6] Update version to 17.6.3 (<a
href="https://redirect.github.com/microsoft/vstest/issues/4555">#4555</a>)</li>
<li><a
href="https://github.com/microsoft/vstest/commit/bda2d1e387c47db04a99ae2beee4261ba452e4c7"><code>bda2d1e</code></a>
[rel/17.6] Disable pre-start of testhosts (<a
href="https://redirect.github.com/microsoft/vstest/issues/4554">#4554</a>)</li>
<li>See full diff in <a
href="https://github.com/microsoft/vstest/compare/v17.6.2...v17.6.3">compare
view</a></li>
</ul>
</details>
<br />


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dotnet/Directory.Packages.props

@@ -27,7 +27,7 @@
     <PackageVersion Include="Microsoft.Extensions.Configuration.UserSecrets" Version="7.0.0" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0-preview.5.23280.8" />
     <!-- Test -->
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.6.2" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
     <PackageVersion Include="Moq" Version="4.18.4" />
     <PackageVersion Include="xunit" Version="2.4.2" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.4.5" />