update changelog

Author: RobinMalfait

packages/@headlessui-react/CHANGELOG.md

@@ -13,6 +13,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Bump `@tanstack/react-virtual` to be fix warnings in React 19 projects ([#3588](https://github.com/tailwindlabs/headlessui/pull/3588))
 - Fix `aria-invalid` attributes to have a valid `'true'` value ([#3639](https://github.com/tailwindlabs/headlessui/pull/3639))
 
+### Added
+
+- Accept `tabIndex` on `Checkbox` component ([#3645](https://github.com/tailwindlabs/headlessui/pull/3645))
+
 ## [2.2.0] - 2024-10-25
 
 ### Added