### Background and motivation [NUnit 4.0.0](https://docs.nunit.org/articles/nunit/release-notes/framework.html#nunit-400---november-26-2023) got released on Nov 26th. As we already support NUnit3 we should also support the latest version. ### Alternative Concerns _No response_ ### Are you willing help with a pull-request? Yes, please assign this issue to me.