[clang] [clang] Catch missing format attributes (PR #105479)

[Budimir Aranđelović via cfe-commits]

budimirarandjelovichtec wrote:

@vitalybuka
Yes, I will address existing comments.
I was on PTO previous week and now I'm continuing to work on this PR.

https://github.com/llvm/llvm-project/pull/105479