Update dependency webpack-cli to v7

Author: renovate[bot]

vue-2-webpack/package.json

@@ -19,7 +19,7 @@
     "vue-loader": "15.11.1",
     "vue-template-compiler": "2.7.16",
     "webpack": "5.98.0",
-    "webpack-cli": "6.0.1",
+    "webpack-cli": "7.0.2",
     "webpack-dev-server": "5.2.0"
   },
   "browserslist": [