Bump the mstest group with 2 updates

Bumps the mstest group with 2 updates: [MSTest.TestAdapter](https://github.com/microsoft/testfx) and [MSTest.TestFramework](https://github.com/microsoft/testfx).


Updates `MSTest.TestAdapter` from 3.5.2 to 3.6.0
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.5.2...v3.6.0)

Updates `MSTest.TestFramework` from 3.5.2 to 3.6.0
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.5.2...v3.6.0)

---
updated-dependencies:
- dependency-name: MSTest.TestAdapter
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: mstest
- dependency-name: MSTest.TestFramework
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: mstest
...

Signed-off-by: dependabot[bot] <[email protected]>

Directory.Packages.props

@@ -38,8 +38,8 @@
     <PackageVersion Include="coverlet.collector"                                Version="6.0.2" />
     <PackageVersion Include="coverlet.msbuild"                                  Version="6.0.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk"                            Version="17.11.1" />
-    <PackageVersion Include="MSTest.TestAdapter"                                Version="3.5.2" />
-    <PackageVersion Include="MSTest.TestFramework"                              Version="3.5.2" />
+    <PackageVersion Include="MSTest.TestAdapter"                                Version="3.6.0" />
+    <PackageVersion Include="MSTest.TestFramework"                              Version="3.6.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis"                            Version="4.11.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing"    Version="1.1.2" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing"     Version="1.1.2" />