Bump Microsoft.NET.Test.Sdk from 17.7.2 to 17.8.0 in /src

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.7.2 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@v17.7.2...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] <[email protected]>

src/Tests/Tests.csproj

@@ -10,7 +10,7 @@
     <PackageReference Include="Verify.Xunit" Version="22.1.4" />
     <PackageReference Include="Verify.DiffPlex" Version="2.3.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <ProjectReference Include="..\SampleGenerator\SampleGenerator.csproj" />
     <ProjectReference Include="..\Verify.SourceGenerators\Verify.SourceGenerators.csproj" />
     <PackageReference Include="ProjectDefaults" Version="1.0.101" PrivateAssets="all" />