Bump Microsoft.NET.Test.Sdk from 17.7.0 to 17.8.0

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.7.0 to 17.8.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.7.0...v17.8.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

test/UnitTests/UnitTests.csproj

@@ -29,7 +29,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
         <PackageReference Include="xunit" Version="2.5.0" />
         <PackageReference Include="FluentAssertions" Version="5.10.3" />