Add changelog message

Author: tomusher

CHANGELOG.md

@@ -25,6 +25,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 -   Updated test app for modern Django (mostly `url` to `path`)
 -   Documentation updated with guide for setting up API keys (thanks @FlipperPA)
 
+## [2.0.0+tbx] - 15-05-2024
+
+- Updated to support Wagtail 5+, removed support for older versions of Wagtail (tomusher)
+
 ## [1.0.1] - 2018-06-25
 
 Thanks to @scisteffan for their contribution.