Bump xunit from 2.4.1 to 2.4.2 (#624)

Bumps [xunit](https://github.com/xunit/xunit) from 2.4.1 to 2.4.2.
- [Release notes](https://github.com/xunit/xunit/releases)
- [Commits](https://github.com/xunit/xunit/compare/2.4.1...2.4.2)

---
updated-dependencies:
- dependency-name: xunit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

test/Directory.Build.props

@@ -16,6 +16,6 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
     <PackageReference Include="xunit.runner.console" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit" Version="2.4.2" />
   </ItemGroup>
 </Project>