update changelog

Author: RobinMalfait

CHANGELOG.md

@@ -39,6 +39,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Increase Standalone hardware compatibility on macOS x64 builds ([#17267](https://github.com/tailwindlabs/tailwindcss/pull/17267))
 - Ensure that the CSS file rebuilds if a new CSS variable is used from templates ([#17301](https://github.com/tailwindlabs/tailwindcss/pull/17301))
 - Fix class extraction followed by `(` in Pug ([#17320](https://github.com/tailwindlabs/tailwindcss/pull/17320))
+- Pre process `Slim` templates embedded in Ruby files ([#17336](https://github.com/tailwindlabs/tailwindcss/pull/17336))
 
 ### Changed