Bump the tests group across 1 directory with 5 updates

Bumps the tests group with 5 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) | `17.6.3` | `17.12.0` |
| [Microsoft.TestPlatform.ObjectModel](https://github.com/microsoft/vstest) | `17.6.3` | `17.12.0` |
| [Microsoft.NETFramework.ReferenceAssemblies](https://github.com/Microsoft/dotnet) | `1.0.3` | `1.0.3` |
| [Microsoft.NETFramework.ReferenceAssemblies](https://github.com/Microsoft/dotnet) | `1.0.3` | `1.0.3` |
| [xunit](https://github.com/xunit/xunit) | `2.4.2` | `2.9.3` |
| [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit) | `2.4.5` | `3.0.2` |
| [Microsoft.NETFramework.ReferenceAssemblies](https://github.com/Microsoft/dotnet) | `1.0.3` | `1.0.3` |
| [Microsoft.TestPlatform.ObjectModel](https://github.com/microsoft/vstest) | `17.6.3` | `17.12.0` |



Updates `Microsoft.NET.Test.Sdk` from 17.6.3 to 17.12.0
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.6.3...v17.12.0)

Updates `Microsoft.TestPlatform.ObjectModel` from 17.6.3 to 17.12.0
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.6.3...v17.12.0)

Updates `Microsoft.NETFramework.ReferenceAssemblies` from 1.0.3 to 1.0.3
- [Commits](https://github.com/Microsoft/dotnet/commits)

Updates `Microsoft.NETFramework.ReferenceAssemblies` from 1.0.3 to 1.0.3
- [Commits](https://github.com/Microsoft/dotnet/commits)

Updates `xunit` from 2.4.2 to 2.9.3
- [Commits](xunit/xunit@v2-2.4.2...v2-2.9.3)

Updates `xunit.runner.visualstudio` from 2.4.5 to 3.0.2
- [Release notes](https://github.com/xunit/visualstudio.xunit/releases)
- [Commits](xunit/visualstudio.xunit@2.4.5...3.0.2)

Updates `Microsoft.NETFramework.ReferenceAssemblies` from 1.0.3 to 1.0.3
- [Commits](https://github.com/Microsoft/dotnet/commits)

Updates `Microsoft.TestPlatform.ObjectModel` from 17.6.3 to 17.12.0
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.6.3...v17.12.0)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: tests
- dependency-name: Microsoft.TestPlatform.ObjectModel
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: tests
- dependency-name: Microsoft.NETFramework.ReferenceAssemblies
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: tests
- dependency-name: Microsoft.NETFramework.ReferenceAssemblies
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: tests
- dependency-name: xunit
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: tests
- dependency-name: xunit.runner.visualstudio
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: tests
- dependency-name: Microsoft.NETFramework.ReferenceAssemblies
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: tests
- dependency-name: Microsoft.TestPlatform.ObjectModel
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: tests
...

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

Author: dependabot[bot]

src/Directory.Packages.props

@@ -37,11 +37,11 @@
     <PackageVersion Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" />
   </ItemGroup>
   <ItemGroup Label="Tests">
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
-    <PackageVersion Include="Microsoft.TestPlatform.ObjectModel" Version="17.6.3" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageVersion Include="Microsoft.TestPlatform.ObjectModel" Version="17.12.0" />
     <PackageVersion Include="Moq" Version="4.18.2" />
-    <PackageVersion Include="xunit" Version="2.4.2" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageVersion Include="xunit" Version="2.9.3" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.0.2" />
     <PackageVersion Include="Microsoft.Reactive.Testing" Version="5.0.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.2.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.XUnit" Version="1.1.1" />