build(deps): Bump Microsoft.NET.Test.Sdk from 17.6.0 to 17.8.0

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.6.0 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@v17.6.0...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>

Author: dependabot[bot]

tests/bunit.generators.tests/bunit.generators.tests.csproj

@@ -11,7 +11,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
 		<PackageReference Include="System.Net.Http" Version="4.3.4" />
 		<PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
 		<PackageReference Include="Verify.SourceGenerators" Version="2.2.0" />