[clang] [clang] Warn [[clang::lifetimebound]] misusages on types (PR #118281)

[Maksim Ivanov via cfe-commits]

emaxx-google wrote:

> Can you add a note in llvm-project/clang/docs/ReleaseNotes.rst?

done - thanks for pointing this out.

https://github.com/llvm/llvm-project/pull/118281