chore(package): update @types/node to version 10.11.3

Closes #122

Author: greenkeeper[bot]

package.json

@@ -17,7 +17,7 @@
     "@types/express": "4.16.0",
     "@types/html-entities": "1.2.16",
     "@types/mocha": "5.2.2",
-    "@types/node": "10.3.4",
+    "@types/node": "10.11.3",
     "@types/request": "2.47.1",
     "@types/request-promise-native": "1.0.15",
     "express": "4.16.3",