[clang-tools-extra] [clang-tidy] New Option Invalid Enum Default Initialization (PR #159220)

[Balázs Kéri via cfe-commits]

balazske wrote:

Would it be better to add the `std::errc` always to the ignore list? If the user specifies the ignore list and it does not contain `std::errc` it is missing from the list. I suspect that the warning for `std::errc` is never needed from this checker.

https://github.com/llvm/llvm-project/pull/159220