[ci] Use --batch in CircleCI script

Author: jimschubert

CI/circle_parallel.sh

@@ -28,7 +28,7 @@ elif [ "$NODE_INDEX" = "2" ]; then
     git checkout -- .
 
     # look for outdated samples
-    ./bin/utils/ensure-up-to-date
+    ./bin/utils/ensure-up-to-date --batch
   fi
 #elif [ "$NODE_INDEX" = "3" ]; then
   echo "Running node $NODE_INDEX to test haskell"