update changelog

Author: RobinMalfait

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Support derived spacing scales based on a single `--spacing` theme value ([#14857](https://github.com/tailwindlabs/tailwindcss/pull/14857))
 - Add `svh`, `dvh`, `svw`, `dvw`, and `auto` values to all width/height/size utilities ([#14857](https://github.com/tailwindlabs/tailwindcss/pull/14857))
+- Add new `**` variant ([#14903](https://github.com/tailwindlabs/tailwindcss/pull/14903))
 - _Upgrade (experimental)_: Migrate `grid-cols-[subgrid]` and `grid-rows-[subgrid]` to `grid-cols-subgrid` and `grid-rows-subgrid` ([#14840](https://github.com/tailwindlabs/tailwindcss/pull/14840))
 - _Upgrade (experimental)_: Support migrating projects with multiple config files ([#14863](https://github.com/tailwindlabs/tailwindcss/pull/14863))
 - _Upgrade (experimental)_: Rename `shadow` to `shadow-sm`, `shadow-sm` to `shadow-xs`, and `shadow-xs` to `shadow-2xs` ([#14875](https://github.com/tailwindlabs/tailwindcss/pull/14875))