Bump Microsoft.TestPlatform.ObjectModel from 16.6.1 to 16.7.0

Bumps [Microsoft.TestPlatform.ObjectModel](https://github.com/microsoft/vstest) from 16.6.1 to 16.7.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Commits](microsoft/vstest@v16.6.1...v16.7.0)

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

Author: dependabot-preview[bot]

Tests/Directory.Build.props

@@ -7,7 +7,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
-    <PackageReference Include="Microsoft.TestPlatform.ObjectModel" Version="16.6.1" />
+    <PackageReference Include="Microsoft.TestPlatform.ObjectModel" Version="16.7.0" />
     <PackageReference Include="Moq" Version="4.14.5" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" PrivateAssets="All" Version="2.4.3">