Build(deps): Bump Microsoft.NET.Test.Sdk from 17.6.2 to 17.6.3 in /src (

MudBlazor#7145)

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.6.2 to 17.6.3.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.6.2...v17.6.3)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/MudBlazor.UnitTests/MudBlazor.UnitTests.csproj

@@ -45,7 +45,7 @@
     <PackageReference Include="Moq" Version="4.18.4" />
     <PackageReference Include="nunit" Version="3.13.3" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
     <PackageReference Include="ReportGenerator" Version="5.1.22" />
     <PackageReference Include="RichardSzalay.MockHttp" Version="6.0.0" />
   </ItemGroup>