[clang] [libclang/python] Expose Rewriter to the python binding (PR #77269)

[Vlad Serebrennikov via cfe-commits]

https://github.com/Endilll approved this pull request.

LGTM
PR description is going to become a commit message after merging. Let me know when it's ready.

https://github.com/llvm/llvm-project/pull/77269