[clang-tools-extra] [clang-tidy] make `misc-const-correctness` work with `auto` variables and lambdas (PR #157319)

[Carlos Galvez via cfe-commits]

https://github.com/carlosgalvezp requested changes to this pull request.

I notice now there's no update in Release Notes for this.

I also agree with previous reviewers that adding an option would be helpful to ease in adopting to this new behavior. I would still make it on-by-default, though.

https://github.com/llvm/llvm-project/pull/157319