[llvm] [LLDB] Update release note about DIL as requested. (PR #149117)

[David Spickett via llvm-commits]

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

LGTM, thanks!

(If I had realised the change had already landed I'd probably not have mentioned it)

https://github.com/llvm/llvm-project/pull/149117