Update dependency eslint to v5.14.1

#80

Co-authored-by: Renovate Bot <[email protected]>

Author: 2 people

package.json

@@ -16,7 +16,7 @@
     "probot": "7.5.0"
   },
   "devDependencies": {
-    "eslint": "5.12.1",
+    "eslint": "5.14.1",
     "eslint-plugin-prettier": "3.0.1",
     "jest": "23.6.0",
     "localtunnel": "1.9.1",