[clang-tools-extra] [clang-tidy][NFC] Add missing "Check" suffix to filenames in clang-tidy checks (PR #166889)

[via cfe-commits]

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

Looks OK for me, but third pair of eyes will not be excessive :-)

https://github.com/llvm/llvm-project/pull/166889