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

Author: renovate[bot]

package-lock.json

@@ -42,6 +42,6 @@
     "karma-jasmine-jquery-2": "0.1.1",
     "karma-spec-reporter": "0.0.36",
     "karma-webpack": "5.0.1",
-    "webpack-cli": "5.1.4"
+    "webpack-cli": "6.0.1"
   }
 }