update changelog

Author: RobinMalfait

CHANGELOG.md

@@ -7,7 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-- Nothing yet!
+### Fixed
+
+- Use no value instead of `blur(0px)` for `backdrop-blur-none` and `blur-none` utilities ([#13830](https://github.com/tailwindlabs/tailwindcss/pull/13830))
 
 ## [3.4.4] - 2024-06-05