chore(deps): Bump NUnit from 3.14.0 to 4.2.2

Bumps [NUnit](https://github.com/nunit/nunit) from 3.14.0 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@v3.14.0...4.2.2)

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

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

Client.Core.Test/Client.Core.Test.csproj

@@ -14,7 +14,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
-        <PackageReference Include="NUnit" Version="3.14.0" />
+        <PackageReference Include="NUnit" Version="4.2.2" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
         <PackageReference Include="WireMock.Net" Version="1.5.62" />
     </ItemGroup>