chore(package): update ts-node to version 8.9.0

Closes #382

Author: greenkeeper[bot]

package.json

@@ -69,7 +69,7 @@
     "nyc": "13.3.0",
     "prettier": "1.16.4",
     "source-map-support": "0.5.10",
-    "ts-node": "8.0.2",
+    "ts-node": "8.9.0",
     "tslint": "5.12.1",
     "tslint-config-prettier": "1.18.0",
     "tslint-microsoft-contrib": "6.0.0",