[clang-tools-extra] [clang-tidy] Skip ObjC fast-enum loop vars in init-variables (PR #173448)

[via cfe-commits]

zeyi2 wrote:

> Shouldn't check just be disabled for Objective-C?

I think this is reasonable given the name of this check is "cppcoreguidelines".

https://github.com/llvm/llvm-project/pull/173448