update changelog

Author: RobinMalfait

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Show warning when using unsupported bare value data type in `--value(…)` ([#17464](https://github.com/tailwindlabs/tailwindcss/pull/17464))
 - PostCSS: Resolve an issue where changes to the input CSS file showed outdated content when using Turbopack ([#17554](https://github.com/tailwindlabs/tailwindcss/pull/17554))
+- Handle Ruby `%w` syntax in Slim pre processing ([#17557](https://github.com/tailwindlabs/tailwindcss/pull/17557))
 
 ## [4.1.2] - 2025-04-03