[llvm-branch-commits] [CI] Use Github Native Groups in monolithic-* scripts (PR #143481)

[Vlad Serebrennikov via llvm-branch-commits]

https://github.com/Endilll approved this pull request.

It would be nice to give them properly formatted names (e.g. `Ninja Runtimes (Clang modules)`), because when I wrote them, the context I expected them to be seen was local editor with lengthy log file opened. Now it's going to be in UI.

https://github.com/llvm/llvm-project/pull/143481