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

Closes #39

Author: greenkeeper[bot]

package.json

@@ -51,7 +51,7 @@
     "eslint-config-standard": "^14.1.0",
     "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-mocha": "^6.2.1",
-    "eslint-plugin-node": "^10.0.0",
+    "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-standard": "^4.0.1",
     "json-stable-stringify": "^1.0.1",