chore(package): update eslint-plugin-node to version 11.1.0

Closes #115

Author: greenkeeper[bot]

package.json

@@ -30,7 +30,7 @@
     "eslint": "^5.3.0",
     "eslint-config-standard": "^11.0.0-beta.0",
     "eslint-plugin-import": "^2.8.0",
-    "eslint-plugin-node": "^7.0.1",
+    "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^4.0.0",
     "eslint-plugin-standard": "^3.0.1"
   }