adding to changelog

Author: weaverryan

src/LiveComponent/CHANGELOG.md

@@ -9,6 +9,9 @@
     it finishes. Then, all queued changes (potentially multiple model updates
     or actions) will be sent all at once on the next request.
 
+-   Added the ability to add `data-loading` behavior, which is only activated
+    when a specific action is triggered - e.g. `<span data-loading="action(save)|show">Loading</span>`
+
 ## 2.4.0
 
 -   [BC BREAK] Previously, the `id` attribute was used with `morphdom` as the