chore(deps): update dependency electron-builder to v20.28.1

Author: renovate-bot

package.json

@@ -56,7 +56,7 @@
         "cross-env": "5.1.6",
         "devtron": "1.4.0",
         "electron": "2.0.2",
-        "electron-builder": "20.14.7",
+        "electron-builder": "20.28.1",
         "enzyme": "3.3.0",
         "enzyme-adapter-react-16": "1.1.1",
         "eslint": "4.19.1",