build(deps): bump xunit from 2.4.1 to 2.4.2 (#146)

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

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

Author: dependabot[bot]

src/Splat.DependencyInjection.SourceGenerator.Tests/Splat.DependencyInjection.SourceGenerator.Tests.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis" Version="3.11.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.1" />
-    <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" />
     <PackageReference Include="coverlet.msbuild" Version="3.1.2" />
     <PackageReference Include="Verify.SourceGenerators" Version="1.5.0" />