chore(deps): update dependency webpack-cli to ^3.3.4 (#2011)

Author: renovate[bot]

package-lock.json

@@ -106,7 +106,7 @@
     "tcp-port-used": "^1.0.1",
     "url-loader": "^1.1.2",
     "webpack": "^4.33.0",
-    "webpack-cli": "^3.3.3",
+    "webpack-cli": "^3.3.4",
     "ws": "^6.2.1"
   },
   "peerDependencies": {