[clang] [Clang][Parse] Delay parsing of noexcept-specifiers in friend function declarations (PR #90517)

[Erich Keane via cfe-commits]

https://github.com/erichkeane commented:

Missing test + release note.

In the future, please use 'draft pull request' when your patch is not ready for review/to be committed.

https://github.com/llvm/llvm-project/pull/90517