[llvm] [DebugInfo] Update DebugInfoFinder to take retainedNodes into account (PR #140285)

[Stephen Tozer via llvm-commits]

https://github.com/SLTozer commented:

Change LGTM, but might be a good idea to add a DIImportedEntity to the test as well.

https://github.com/llvm/llvm-project/pull/140285