Update changelog

Author: thecrypticace

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Fix support for container query utilities with arbitrary values ([#12534](https://github.com/tailwindlabs/tailwindcss/pull/12534))
+
 ### Added
 
 - Add `svh`, `lvh`, and `dvh` values to default `height`/`min-height`/`max-height` theme ([#11317](https://github.com/tailwindlabs/tailwindcss/pull/11317))