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

Closes #16

Author: greenkeeper[bot]

package.json

@@ -110,7 +110,7 @@
     "rollup-plugin-uglify": "^4.0.0",
     "semantic-release": "^15.6.0",
     "ts-jest": "^23.0.0",
-    "ts-node": "^7.0.0",
+    "ts-node": "^8.9.0",
     "tslint": "^5.8.0",
     "tslint-config-prettier": "^1.1.0",
     "tslint-config-standard": "^7.0.0",