chore(package): update source-map-support to version 0.5.18

Closes #383

Author: greenkeeper[bot]

package.json

@@ -68,7 +68,7 @@
     "moment": "2.24.0",
     "nyc": "13.3.0",
     "prettier": "1.16.4",
-    "source-map-support": "0.5.10",
+    "source-map-support": "0.5.18",
     "ts-node": "8.0.2",
     "tslint": "5.12.1",
     "tslint-config-prettier": "1.18.0",