Update dependency webpack-cli to v3.3.12

Author: renovate-bot

package.json

@@ -127,7 +127,7 @@
     "sass-loader": "8.0.2",
     "style-loader": "1.2.1",
     "webpack": "4.43.0",
-    "webpack-cli": "3.3.11",
+    "webpack-cli": "3.3.12",
     "webpack-dev-server": "3.11.0",
     "optimize-css-assets-webpack-plugin": "5.0.3",
     "terser-webpack-plugin": "3.0.5",