[clang] [Sema] Provide `-fvisibility-global-new-delete=` option (PR #75364)

[via cfe-commits]

bd1976bris wrote:

Given that there have been no objections I have modified this to match @zygoloid's suggestion of `-fvisibility-global-new-delete=<value>`. Please take another look.

https://github.com/llvm/llvm-project/pull/75364