[clang] [Clang][Sema] Check the number of lambda non-concept tempate parameters (PR #74885)

[Shafik Yaghmour via cfe-commits]

https://github.com/shafik commented:

This needs at least one test and a Release note.

I expect the code form the issue to be well-formed: https://godbolt.org/z/bhdfG34xc

So I am curious why you are adding the diagnostic for?

https://github.com/llvm/llvm-project/pull/74885