Update CHANGELOGs

Author: lcharette

CHANGELOG.md

@@ -8,7 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 > [!TIP]
 > This file contains the changelog of the Skeleton itself. You should replace it with your own Changelog!
 
-## [6.0.0-beta.9](https://github.com/userfrosting/UserFrosting/compare/6.0.0-beta.8...6.0.0-beta.9)
+## [6.0.0-rc.1](https://github.com/userfrosting/UserFrosting/compare/6.0.0-beta.8...6.0.0-rc.1)
 - Remove `composer.lock` from `.gitignore`
 - Load `.env` file in Vite config
 - Add Vitest config