Chore: add the local dune dep in the opam file to try to fix the test_opam_test job

lutin.opam

@@ -30,6 +30,9 @@ depends: [
   "dune" {>= "2.0"}
   "ocamlfind"
   "rdbg" {>= "1.196.9"}
+  "polka"
+  "ezdl"
+  "gbddml"
 ]
 build: ["dune" "build" "-p" name "-j" 1]
 post-messages: