[clang] [Clang][C23] Fix typedef-name after 'auto' as storage-class use (PR #224019)

[Zahira Ammarguellat via cfe-commits]

zahiraam wrote:

> Do we not need a release note? Was the change that brought this in in the current release?

Done.

https://github.com/llvm/llvm-project/pull/224019