fix: update dependency @nuxt/kit to v4

Author: renovate[bot]

package.json

@@ -49,7 +49,7 @@
     "verify": "base verify"
   },
   "dependencies": {
-    "@nuxt/kit": "^3.17.4",
+    "@nuxt/kit": "^4.0.0",
     "fs-extra": "^11.3.0",
     "h3": "^1.15.3",
     "lodash-es": "^4.17.21",