Prefer RdrName over OccName for looking up locations in doc renaming step

Looking up by OccName only does not take into account when functions are
only imported in a qualified way.

Fixes issue #24294

Bump haddock submodule to include regression test

compiler/GHC/Rename/Doc.hs

@@ -40,5 +40,5 @@ rnHsDocIdentifiers :: GlobalRdrEnv
 rnHsDocIdentifiers gre_env ns =
   [ L l $ greName gre
   | L l rdr_name <- ns
-  , gre <- lookupGRE gre_env (LookupOccName (rdrNameOcc rdr_name) AllRelevantGREs)
+  , gre <- lookupGRE gre_env (LookupRdrName rdr_name AllRelevantGREs)
   ]

haddock @ 9fcf5cf4

-Subproject commit 65453a58185726aab95289c2da0d9fb27b7ce0af
+Subproject commit 9fcf5cf499102baf9e00986bb8b54b80ec5ffc81