chore(deps): update dependency webpack-cli to v6

Author: renovate[bot]

package.json

@@ -50,7 +50,7 @@
     "transifex": "1.6.6",
     "uglifyjs-webpack-plugin": "1.3.0",
     "webpack": "4.47.0",
-    "webpack-cli": "3.3.12"
+    "webpack-cli": "6.0.1"
   },
   "config": {
     "commitizen": {