[clang-tools-extra] [clang-tidy] Prefer the faster LLVM ADT sets and maps over `std::` ones (PR #174357)

[Carlos Galvez via cfe-commits]

carlosgalvezp wrote:

> Would you prefer that?

Would be nice but maybe it can just be done later, no blocker for this patch!  Thanks for explaining.

https://github.com/llvm/llvm-project/pull/174357