chore: bump nunit from 4.2.1 to 4.2.2 in /src (#400)

Bumps [nunit](https://github.com/nunit/nunit) from 4.2.1 to 4.2.2.
- [Release notes](https://github.com/nunit/nunit/releases)
- [Changelog](https://github.com/nunit/nunit/blob/main/CHANGES.md)
- [Commits](nunit/nunit@4.2.1...4.2.2)

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

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

src/Directory.Packages.props

@@ -13,7 +13,7 @@
     <PackageVersion Include="NuGet.PackageManagement" Version="6.11.0" />
     <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="8.0.0" />
     <PackageVersion Include="NUglify" Version="1.21.9" />
-    <PackageVersion Include="nunit" Version="4.2.1" />
+    <PackageVersion Include="nunit" Version="4.2.2" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.3.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="4.6.0" />
     <PackageVersion Include="Scriban" Version="5.10.0" />