[llvm] [workflows] Add a new workflow for checking commit access qualifications (PR #93301)

[Aiden Grossman via llvm-commits]

boomanaiden154 wrote:

> I could not find one that works with GitHub.

Ack. I guess if we need this functionality anywhere else

> I think if the whole process were automated, then this would be more important, but the manual review means mistakes can get caught and have a smaller impact.

Definitely agree.

> I've added these.

Thanks. I definitely think it makes things a bit easier to follow.

https://github.com/llvm/llvm-project/pull/93301