Update CHANGELOG.md

Author: garyb

CHANGELOG.md

@@ -5,14 +5,18 @@ Notable changes to this project are documented in this file. The format is based
 ## [Unreleased]
 
 Breaking changes:
-- Add null support for `data` property of `InputEvent` (#21)
 
 New features:
 
 Bugfixes:
 
 Other improvements:
 
+## [v5.0.0](https://github.com/purescript-web/purescript-web-uievents/releases/tag/v5.0.0) - 2023-09-24
+
+Breaking changes:
+- Add null support for `data` property of `InputEvent` (#21 by @kobijones111529)
+
 ## [v4.1.0](https://github.com/purescript-web/purescript-web-uievents/releases/tag/v4.1.0) - 2023-09-24
 
 New features: