[llvm] Add requires darwin to verify-no-file.yaml (PR #77188)

[David Blaikie via llvm-commits]

dwblaikie wrote:

Please don't send pull requests if review is not expected/required. If review is expected/required, please don't submit the code until that review has been completed. (we don't want to be in a situation where people get the impression that code review, once started, can be skipped if it takes too long, etc)

https://github.com/llvm/llvm-project/pull/77188