Updated CHANGELOG

Author: Adam Schlesinger

OneSignalExample/Assets/OneSignal/CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [3.0.0-beta.4]
 ### Added
 - Included a new setup step from the OneSignal Unity Editor menu (**Window > OneSignal**) which syncs the example code bundle with the core package version
 ### Fixed
@@ -85,7 +87,8 @@ If you run into any problems, please don’t hesitate to [open an issue](https:/
   - If you are updating from a previous version of the OneSignal Unity SDK please follow the Unity Asset Store instructions in
       the [README](https://github.com/OneSignal/OneSignal-Unity-SDK/README.md#unity-asset-store) to ensure a smooth transition.
 
-[Unreleased]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/3.0.0-beta.3...HEAD
+[Unreleased]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/3.0.0-beta.4...HEAD
+[3.0.0-beta.4]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/3.0.0-beta.3...3.0.0-beta.4
 [3.0.0-beta.3]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/3.0.0-beta.2...3.0.0-beta.3
 [3.0.0-beta.2]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/3.0.0-beta.1...3.0.0-beta.2
 [3.0.0-beta.1]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/2.14.6...3.0.0-beta.1