[libcxx-commits] [libcxx] [libc++] Store the premerge runner images in the monorepo (PR #171443)

[Aiden Grossman via libcxx-commits]

https://github.com/boomanaiden154 approved this pull request.

This seems reasonable enough to me. Are there any other workflow benefits beyond making it easy to pull in the current container being used for the `run-buildbot` script?

https://github.com/llvm/llvm-project/pull/171443