Merge pull request #108 from standard/greenkeeper/eslint-plugin-node-6.0.0

Update eslint-plugin-node to the latest version 🚀

Author: LinusU

package.json

@@ -13,7 +13,7 @@
   "devDependencies": {
     "eslint": "^5.0.0-alpha.2",
     "eslint-plugin-import": "^2.8.0",
-    "eslint-plugin-node": "^5.2.1",
+    "eslint-plugin-node": "^6.0.0",
     "eslint-plugin-promise": "^3.6.0",
     "eslint-plugin-standard": "^3.0.1",
     "tape": "^4.8.0"