fix(package): update ts-node to version 8.5.4

Closes #10

Author: greenkeeper[bot]

package.json

@@ -42,7 +42,7 @@
     "reflect-metadata": "^0.1.10",
     "routing-controllers": "^0.7.6",
     "sqlite3": "^3.1.13",
-    "ts-node": "^4.0.0",
+    "ts-node": "^8.5.4",
     "typedi": "^0.6.0",
     "typeorm": "0.1.8",
     "typeorm-typedi-extensions": "^0.1.1",