Add changelog entry for splitTask export from @wordpress/interactivity (#62805)

* Add changelog entry for splitTask

Add changelog entry for #62665

* Move changelog entry to Unreleased section

Co-authored-by: Carlos Bravo <[email protected]>

---------

Co-authored-by: Carlos Bravo <[email protected]>

Author: westonruter

packages/interactivity/CHANGELOG.md

@@ -1,7 +1,9 @@
 <!-- Learn how to maintain this file at https://github.com/WordPress/gutenberg/tree/HEAD/packages#maintaining-changelogs. -->
 
 ## Unreleased
+### Enhancements
 
+-   Export `splitTask` function from `@wordpress/interactivity` package to facilitate yielding to the main thread. See example in [async actions](https://github.com/WordPress/gutenberg/blob/trunk/docs/reference-guides/interactivity-api/api-reference.md#async-actions) documentation. ([#62665](https://github.com/WordPress/gutenberg/pull/62665))
 ## 6.1.0 (2024-06-15)
 
 ## 6.0.0 (2024-05-31)