Update dependency eslint to v7.31.0

Author: renovate-bot

package-lock.json

@@ -9,7 +9,7 @@
   },
   "description": "Protractor end-to-end test automation boilerplate. Using Commonjs, Mocha and Assert.",
   "devDependencies": {
-    "eslint": "7.30.0",
+    "eslint": "7.31.0",
     "eslint-config-airbnb-base": "14.2.1",
     "eslint-config-prettier": "8.3.0",
     "eslint-plugin-import": "2.23.4",