[clang] [llvm] [polly] [PassManager] Make passes inherit from RequiredPassInfoMixin/OptionalPassInfoMixin (PR #192120)

[Arthur Eubanks via llvm-commits]

aeubanks wrote:

I'd like to make behavior changes in a followup PR for passes that should be marked required but currently aren't

https://github.com/llvm/llvm-project/pull/192120