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

[Victor Chernyakin via cfe-commits]

localspook wrote:

Looks like there’s consensus that there should be an option *to ease migration*. Do you think we should do the usual “leave it in for 2 releases, then remove it” that we do for deprecated features?

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