chore(deps): update dependency eslint to v7.31.0

Author: renovate-bot

npm-shrinkwrap.json

@@ -32,7 +32,7 @@
     "superagent": "6.1.0"
   },
   "devDependencies": {
-    "eslint": "7.30.0",
+    "eslint": "7.31.0",
     "eslint-config-prettier": "8.3.0",
     "husky": "7.0.1",
     "jest": "27.0.6",