[clang] [clang][Wunsafe-buffer-usage] Add -Wunsafe-buffer-usage-in-static-sized-array (PR #176466)

[Florian Mayer via cfe-commits]

fmayer wrote:

Please disable "keep your email private": https://discourse.llvm.org/t/hidden-emails-on-github-should-we-do-something-about-it/74223

https://github.com/llvm/llvm-project/pull/176466