Update changelog

Author: philipp-spiess

CHANGELOG.md

@@ -10,11 +10,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Add support for `@config` to load V3 JavaScript config files ([#14239](https://github.com/tailwindlabs/tailwindcss/pull/14239))
+- Add support for using the Vite extension with `css.transformer` set to `lightningcss` ([#14269](https://github.com/tailwindlabs/tailwindcss/pull/14269))
 
 ### Fixed
 
 - Bring back type exports for the cjs build of `@tailwindcss/postcss`. ([#14256](https://github.com/tailwindlabs/tailwindcss/pull/14256))
 - Correctly merge tuple values when using the plugin API ([#14260](https://github.com/tailwindlabs/tailwindcss/pull/14260))
+- Correctly update builds when using the Vite extension with `build --watch` ([#14269](https://github.com/tailwindlabs/tailwindcss/pull/14269))
 
 ## [4.0.0-alpha.20] - 2024-08-23