chore(deps): bump xunit from 2.4.1 to 2.4.2 in /libraries

Bumps [xunit](https://github.com/xunit/xunit) from 2.4.1 to 2.4.2.
- [Commits](xunit/xunit@2.4.1...2.4.2)

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

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

Author: dependabot[bot]

libraries/tests/AWS.Lambda.Powertools.Parameters.Tests/AWS.Lambda.Powertools.Parameters.Tests.csproj

@@ -15,7 +15,7 @@
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
     <PackageReference Include="Moq" Version="4.18.1" />
-    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>