llvm-project

633be471 - Revert "[CMake] Use minimum python version of 3.8 everywhere" (#209233)

Revert "[CMake] Use minimum python version of 3.8 everywhere" (#209233) Reverts llvm/llvm-project#208822. We should avoid raising toolchain requirements immediately before branching. Revert this now so it can be reapplied after branching.