[clang-tools-extra] [clang-tidy] Avoid diagnosing std::array initializations for modernize-use-designated-initializers (PR #134774)

[Carlos Galvez via cfe-commits]

carlosgalvezp wrote:

> I found interesting was the fact that you could access the implementation-defined internal array field

Yes, this is required in order for `std::array` to be an aggregate type.

https://github.com/llvm/llvm-project/pull/134774