Use nomulus-gke tagging mechanism in sql-int tests (#2702)

Had to temporarily create the files in
gs://domain-registry-dev-deployed-tags but the automated release process
will take care of that soon

integration/run_compatibility_tests.sh

@@ -111,7 +111,7 @@ fi
 if [[ "${SUT}" = "nomulus" ]]; then
   DEPLOYED_SYSTEM="sql"
 elif [[ "${SUT}" = "sql" ]]; then
-  DEPLOYED_SYSTEM="nomulus"
+  DEPLOYED_SYSTEM="nomulus-gke"
 else
   echo "${USAGE}"
   exit 1