chore(deps): bump MSTest.TestAdapter and Microsoft.TestPlatform.Objec…

…tModel

Bumps [MSTest.TestAdapter](https://github.com/microsoft/testfx) and [Microsoft.TestPlatform.ObjectModel](https://github.com/microsoft/vstest). These dependencies needed to be updated together.

Updates `MSTest.TestAdapter` from 3.5.0 to 3.6.1
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.5.0...v3.6.1)

Updates `Microsoft.TestPlatform.ObjectModel` from 15.5.0 to 17.11.1
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v15.5.0...v17.11.1)

---
updated-dependencies:
- dependency-name: MSTest.TestAdapter
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: Microsoft.TestPlatform.ObjectModel
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Directory.Packages.props

@@ -4,13 +4,13 @@
         <CentralPackageTransitivePinningEnabled>false</CentralPackageTransitivePinningEnabled>
     </PropertyGroup>
     <ItemGroup>
-        <PackageVersion Include="Microsoft.TestPlatform.ObjectModel" Version="15.5.0" />
+        <PackageVersion Include="Microsoft.TestPlatform.ObjectModel" Version="17.11.1" />
         <PackageVersion Include="Newtonsoft.Json" Version="13.0.3" />
 
         <PackageVersion Include="Stylecop.Analyzers" Version="1.1.118" />
 
         <PackageVersion Include="MSTest.TestFramework" Version="3.6.1" />
-        <PackageVersion Include="MSTest.TestAdapter" Version="3.5.0" />
+        <PackageVersion Include="MSTest.TestAdapter" Version="3.6.1" />
         <PackageVersion Include="xunit" Version="2.9.2" />
         <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.1" />