[clang-tools-extra] [clang-tidy] support pointee mutation check in misc-const-correctness (PR #130494)

[Baranov Victor via cfe-commits]

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

LGTM, few nits

Please remove limitation from `const-correctness.rst` that says check can not analyze pointers.
It starts with "Pointees can not be analyzed for constness yet."

https://github.com/llvm/llvm-project/pull/130494