Update dependency webpack-cli to v7

Author: renovate[bot]

package-lock.json

@@ -39,7 +39,7 @@
     "sass": "1.97.3",
     "http-server": "14.1.1",
     "standard": "17.1.2",
-    "webpack-cli": "6.0.1"
+    "webpack-cli": "7.0.1"
   },
   "scripts": {
     "build": "webpack && sass semanticForms.scss dist/semantic-forms.css",