chore(deps): update devdependency @nuxtjs/eslint-config to v12

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
     "nuxt": "latest"
   },
   "devDependencies": {
-    "@nuxtjs/eslint-config": "^5.0.0",
+    "@nuxtjs/eslint-config": "^12.0.0",
     "@nuxtjs/eslint-module": "^3.0.2",
     "babel-eslint": "^10.1.0",
     "eslint": "^7.20.0",