Update changelog

Author: adamwathan

CHANGELOG.md

@@ -37,6 +37,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Use logical properties for `space` and `divide` utilities ([#1883](https://github.com/tailwindlabs/tailwindcss/pull/1883))
 - Make `theme` retrieve the expected resolved value when theme value is complex ([e13f083c4](https://github.com/tailwindlabs/tailwindcss/commit/e13f083c4bc48bf9870d27c966136a9584943127))
 - Adjust default font-size scale to include 60px instead of 64px ([#2619](https://github.com/tailwindlabs/tailwindcss/pull/2619))
+- Update default colors in Preflight to match new color palette ([#2633](https://github.com/tailwindlabs/tailwindcss/pull/2633))
 
 ## [1.9.5]