[llvm-branch-commits] [llvm] [green dragon] add stage1-RA job to release/22.x (PR #184916)

[Justice Adams via llvm-branch-commits]

justice-adams-apple wrote:

@dyung This is just for setting up a CI job which allows us to build/test the 22.x branch on macOS, basically adding more coverage to our CI by including the release branch

https://github.com/llvm/llvm-project/pull/184916