[clang] [clang] deprecate alias, class templates without arg list after template kw (PR #94789)

[Aaron Ballman via cfe-commits]

https://github.com/AaronBallman commented:

Thank you for working on this! The changes should also come with a release note in clang/docs/ReleaseNotes.rst

https://github.com/llvm/llvm-project/pull/94789