chore(deps): update devdependency eslint to ^7.20.0 (#189)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "@nuxtjs/eslint-config": "^5.0.0",
     "@nuxtjs/eslint-module": "^3.0.2",
     "babel-eslint": "^10.1.0",
-    "eslint": "^7.19.0",
+    "eslint": "^7.20.0",
     "eslint-plugin-nuxt": "^2.0.0"
   }
 }