Merge pull request #425 from KnisterPeter/greenkeeper/source-map-support-0.4.18

Update source-map-support to the latest version 🚀

Author: KnisterPeter

package.json

@@ -54,7 +54,7 @@
     "nyc": "11.2.1",
     "react": "^15.6.1",
     "rimraf": "2.6.1",
-    "source-map-support": "0.4.17",
+    "source-map-support": "0.4.18",
     "standard-version": "^4.2.0",
     "tslint": "^5.4.3",
     "typescript": "^2.3.4"