[react-packager] Upgrade uglifyjs for Max call stack bug

Summary:
We're hitting an issue with large code size and `Maximum call stack size exceeded` error. https://github.com/mishoo/UglifyJS2/issues/414
We're seeing on inconsistently failing on landcastle.

package.json

@@ -68,7 +68,7 @@
     "semver": "^4.3.6",
     "source-map": "0.1.31",
     "stacktrace-parser": "0.1.2",
-    "uglify-js": "2.4.16",
+    "uglify-js": "2.4.24",
     "underscore": "1.7.0",
     "wordwrap": "^1.0.0",
     "worker-farm": "^1.3.1",