[clang] [llvm] [libclang/python] Enable packaging libclang bindings (PR #125806)

[Ryan Mast via cfe-commits]

nightlark wrote:

Hey, I'm new to the process of contributing to LLVM, so let me know of any best practices or things I might have missed in the contributed guide.

I'm looking at improving the situation for packaging libclang bindings on PyPI and ideally would like maintain the things needed here alongside the python scripts that are being packaged, rather than hacking something together in a separate repository.

https://github.com/llvm/llvm-project/pull/125806