Merge pull request #214239 from symphorien/ocaml-conflict-verbose

ocamlPackages.findlib: explain how to bypass the dep conflict detection

pkgs/development/tools/ocaml/findlib/default.nix

···
       if [[ -n "$conflict" ]]; then
         echo "Conflicting ocaml packages detected";
         echo "$conflict"
+        echo "Set dontDetectOcamlConflicts to false to disable this check."
         exit 1
       fi
     }