chore(package): update ts-node to version 6.0.0

Closes #6

Author: greenkeeper[bot]

package.json

@@ -14,7 +14,7 @@
     "@types/got": "^7.1.3",
     "@types/node": "^8.0.26",
     "@types/query-string": "^5.0.0",
-    "ts-node": "^3.3.0",
+    "ts-node": "^6.0.0",
     "typescript": "^2.5.2"
   },
   "dependencies": {