Bump webpack-cli to 3.3.12

Author: mwiencek

package.json

@@ -63,7 +63,7 @@
     "tablesorter": "2.31.3",
     "terser-webpack-plugin": "1.3.0",
     "webpack": "4.46.0",
-    "webpack-cli": "3.2.3",
+    "webpack-cli": "3.3.12",
     "webpack-manifest-plugin": "2.0.4",
     "webpack-node-externals": "1.7.2",
     "whatwg-fetch": "3.4.0",