Update dependency eslint-config-airbnb to v18.1.0

Author: renovate-bot

package.json

@@ -4,7 +4,7 @@
   "private": true,
   "devDependencies": {
     "eslint": "6.2.0",
-    "eslint-config-airbnb": "18.0.1",
+    "eslint-config-airbnb": "18.1.0",
     "eslint-plugin-import": "2.18.2",
     "eslint-plugin-jsx-a11y": "6.2.3",
     "eslint-plugin-react": "7.14.3",