[clang-tools-extra] [clang-tidy] readability-identifier-naming: add support for concepts (PR #71586)

[Piotr Zegar via cfe-commits]

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

Update release notes, and update pull request description.
Except those two, looks fine for me.

https://github.com/llvm/llvm-project/pull/71586