Bump NUnit from 4.1.0 to 4.2.2

Bumps [NUnit](https://github.com/nunit/nunit) from 4.1.0 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@4.1.0...4.2.2)

---
updated-dependencies:
- dependency-name: NUnit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

osu.Game.Rulesets.Sentakki.Tests/osu.Game.Rulesets.Sentakki.Tests.csproj

@@ -11,7 +11,7 @@
     </PropertyGroup>
     <ItemGroup Label="Package References">
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1"/>
-        <PackageReference Include="NUnit" Version="4.1.0"/>
+        <PackageReference Include="NUnit" Version="4.2.2"/>
         <PackageReference Include="NUnit3TestAdapter" Version="4.5.0"/>
     </ItemGroup>
     <ItemGroup>