Merge pull request #203 from gary-kim/renovate/webpack-cli-3.x

chore(deps): update dependency webpack-cli to ^3.3.12

Author: gary-kim

package-lock.json

@@ -61,7 +61,7 @@
     "web-ext": "^4.2.0",
     "webextension-polyfill": "^0.6.0",
     "webpack": "^4.43.0",
-    "webpack-cli": "^3.3.11",
+    "webpack-cli": "^3.3.12",
     "webpack-merge": "^4.2.2"
   },
   "dependencies": {