chore(deps): update devdependency eslint to v9

Author: renovate[bot]

package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "@nuxt-themes/docus": "^1.14.7",
     "@nuxt/eslint-config": "^0.2.0",
-    "eslint": "^8.50.0",
+    "eslint": "^9.8.0",
     "nuxt": "3.7.3"
   }
 }