Update changelog

Author: thecrypticace

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Add `rounded-4xl` utility ([#13827](https://github.com/tailwindlabs/tailwindcss/pull/13827))
 - Add `backdrop-blur-none` and `blur-none` utilities ([#13831](https://github.com/tailwindlabs/tailwindcss/pull/13831))
+- Include variable in output for bare utilities like `rounded`  ([#13836](https://github.com/tailwindlabs/tailwindcss/pull/13836))
 
 ## [4.0.0-alpha.16] - 2024-06-07