chore(package): update eslint-plugin-node to version 9.2.0

Closes #3

package.json

@@ -18,7 +18,7 @@
     "eslint": "^5.0.0",
     "eslint-config-standard": "^11.0.0",
     "eslint-plugin-import": "^2.11.0",
-    "eslint-plugin-node": "^6.0.1",
+    "eslint-plugin-node": "^9.2.0",
     "eslint-plugin-promise": "^3.7.0",
     "eslint-plugin-standard": "^3.1.0"
   }