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

[Victor Chernyakin via cfe-commits]

localspook wrote:

Alright, I believe this PR is ready for another review. Do we want any other tests? Also, here are the results of running the check over the clang-tidy codebase: #175467. Didn't find any false positives. 

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