chore(deps): update devdependency eslint to v9

Author: renovate[bot]

package.json

@@ -30,7 +30,7 @@
   "devDependencies": {
     "@nuxtjs/eslint-config": "^6.0.1",
     "codecov": "^3.8.2",
-    "eslint": "^7.28.0",
+    "eslint": "^9.28.0",
     "jest": "^26.6.3",
     "nuxt": "npm:[email protected]",
     "nuxt-edge": "^2.16.0-27064814.35c6ac41",