[llvm] [SPIR-V] Add pre-commit CI workflow (PR #74092)

[Tom Stellard via llvm-commits]

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

LGTM with the caveat that if this ends up being too resource intensive, we may need to switch it to be manually triggered or disable it until we can get more resources.

https://github.com/llvm/llvm-project/pull/74092