[clang-tools-extra] [clang-tidy] Add check 'bugprone-invalid-enum-default-initialization' (PR #136823)

[Oliver Stöneberg via cfe-commits]

firewave wrote:

There's also a check in UBSAN which detects assignment of invalid values during run-time. So there's logic is various other places regarding this.

https://github.com/llvm/llvm-project/pull/136823