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

Closes #59

Author: greenkeeper[bot]

package.json

@@ -32,7 +32,7 @@
     "eslint-config-standard": "^13.0.1",
     "eslint-formatter-pretty": "^2.1.1",
     "eslint-plugin-import": "^2.18.0",
-    "eslint-plugin-node": "^9.1.0",
+    "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-standard": "^4.0.0",
     "eslint-plugin-unicorn": "^9.1.1",