chore(package): update ts-node to version 6.1.1

Author: greenkeeper[bot]

package.json

@@ -72,7 +72,7 @@
     "mocha": "^5.0.4",
     "mochawesome": "^3.0.2",
     "nyc": "11.7.2",
-    "ts-node": "^5.0.1",
+    "ts-node": "^6.1.1",
     "tslint": "^5.9.1",
     "typescript": "^2.7.2",
     "webpack": "^4.1.1",