chore(package): update ts-node to version 8.0.3

Closes #139

Author: greenkeeper[bot]

package.json

@@ -58,7 +58,7 @@
     "karma-jasmine-html-reporter": "^1.2.0",
     "protractor": "~5.4.0",
     "rxjs-compat": "^6.2.2",
-    "ts-node": "~7.0.0",
+    "ts-node": "~8.0.3",
     "tslint": "~5.11.0",
     "typescript": "~3.1.3"
   }