chore(deps): update devdependency eslint to v9

Author: renovate[bot]

package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "@nuxt-themes/docus": "^1.9.0",
     "@nuxt/eslint-config": "^0.1.1",
-    "eslint": "^8.35.0",
+    "eslint": "^9.9.1",
     "nuxt": "^3.2.2"
   }
 }