update dev dependencies

Author: ecarriou

package-lock.json

@@ -45,7 +45,7 @@
     "coveralls": "3.0.2",
     "grunt": "1.0.3",
     "grunt-browserify": "5.3.0",
-    "grunt-cli": "1.3.1",
+    "grunt-cli": "1.3.2",
     "grunt-contrib-clean": "2.0.0",
     "grunt-contrib-concat": "1.0.1",
     "grunt-contrib-uglify": "4.0.0",