chore(package): update source-map-support to version 0.4.6 (#210)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -51,7 +51,7 @@
     "mocha": "3.1.2",
     "nyc": "8.3.2",
     "react": "15.3.2",
-    "source-map-support": "0.4.4",
+    "source-map-support": "0.4.6",
     "standard-version": "3.0.0",
     "tslint": "3.15.1",
     "typescript": "2.0.6"