Update dependency eslint to v4.18.0

Author: renovate-bot

package.json

@@ -43,7 +43,7 @@
     "babel-plugin-transform-async-to-generator": "6.24.1",
     "babel-plugin-transform-regenerator": "6.26.0",
     "babel-preset-es2015": "6.24.1",
-    "eslint": "4.17.0",
+    "eslint": "4.18.0",
     "rimraf": "2.6.2"
   },
   "eslintConfig": {