Bump hadron-build for s3 uploading again

Author: durran

package.json

@@ -255,7 +255,7 @@
     "electron-mocha": "^3.3.0",
     "enzyme": "^2.5.1",
     "eslint-config-mongodb-js": "^2.2.0",
-    "hadron-build": "^15.0.4",
+    "hadron-build": "^15.0.5",
     "hadron-spectron": "^1.0.0",
     "jsdom": "^9.8.3",
     "mgeneratejs": "^0.2.0",