update changelog

Author: RobinMalfait

packages/@headlessui-react/CHANGELOG.md

@@ -45,6 +45,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add new `CloseButton` component and `useClose` hook ([#3096](https://github.com/tailwindlabs/headlessui/pull/3096))
 - Allow passing a boolean to the `anchor` prop ([#3121](https://github.com/tailwindlabs/headlessui/pull/3121))
 - Add `portal` prop to `Combobox`, `Listbox`, `Menu` and `Popover` components ([#3124](https://github.com/tailwindlabs/headlessui/pull/3124))
+- Add frozen value to `ComboboxOption` component ([#3126](https://github.com/tailwindlabs/headlessui/pull/3126))
 
 ## [1.7.19] - 2024-04-15