[llvm] [SPIR-V] Introduce support of llvm.ptr.annotation to SPIR-V Backend and implement extensions which make use of spirv.Decorations (PR #93479)

[Vyacheslav Levytskyy via llvm-commits]

https://github.com/VyacheslavLevytskyy ready_for_review https://github.com/llvm/llvm-project/pull/93479