[llvm-branch-commits] [clang-tools-extra] [clangd] Add clangd 19 release notes (PR #105975)

[kadir çetinkaya via llvm-branch-commits]

https://github.com/kadircet approved this pull request.

thanks a lot for doing this @HighCommander4!

https://github.com/llvm/llvm-project/pull/105975