[llvm] Replace distutils.version with looseversion since the former was deprecated in python 3.10 and removed in 3.12. (PR #99549)

[Daniel Thornburgh via llvm-commits]

mysterymath wrote:

We've a workable solution for this in Fuchsia now, so I think this is good to proceed.

https://github.com/llvm/llvm-project/pull/99549