Update CHANGELOG

Author: taylorotwell

CHANGELOG.md

@@ -1,7 +1,10 @@
 # Release Notes
 
-## [Unreleased](https://github.com/laravel/boost/compare/v0.1.0...1.x)
+## [Unreleased](https://github.com/laravel/boost/compare/v1.0.0...main)
 
+## [v1.0.0](https://github.com/laravel/boost/compare/v0.1.0...v1.0.0) - 2025-08-13
+
+- Initial release of Laravel Boost.
 
 ## v0.1.0 (202x-xx-xx)