Update CHANGELOG

Author: taylorotwell

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Release Notes
 
-## [Unreleased](https://github.com/livewire/volt/compare/v1.8.0...main)
+## [Unreleased](https://github.com/livewire/volt/compare/v1.9.0...main)
+
+## [v1.9.0](https://github.com/livewire/volt/compare/v1.8.0...v1.9.0) - 2025-10-30
+
+* Livewire v4 support by [@bookwyrm](https://github.com/bookwyrm) in https://github.com/livewire/volt/pull/144
 
 ## [v1.8.0](https://github.com/livewire/volt/compare/v1.7.2...v1.8.0) - 2025-10-29