chore(package): update ts-node to version 6.0.2

Closes #82

Author: greenkeeper[bot]

package.json

@@ -26,7 +26,7 @@
     "nyc": "^11.2.1",
     "sinon": "^5.0.0",
     "sinon-chai": "^2.13.0",
-    "ts-node": "^5.0.0",
+    "ts-node": "^6.0.2",
     "tslint": "^5.7.0",
     "typescript": "^2.5.2"
   }