[clang-tools-extra] [clang-tidy] modernize-return-braced-init-list: skip types with an initializer_list constructor (PR #205440)

[Grigory Pastukhov via cfe-commits]

grigorypas wrote:

@zeyi2 and @unterumarmung can you please take another look. I believe, I addressed all the feedback.

https://github.com/llvm/llvm-project/pull/205440