update changelog

Author: jcheung824

CHANGELOG.md

@@ -105,6 +105,7 @@ Notes: web developers are advised to use [`~` (tilde range)](https://github.com/
 
 ### Changed
 
+- Removed `StarterPromptsCardAction` during `blueprint` ui state
 - Updated `useSuggestedActions` to return the activity the suggested actions originated from, in PR [#5255](https://github.com/microsoft/BotFramework-WebChat/issues/5255), by [@compulim](https://github.com/compulim)
 - Improved focus trap implementation by preserving focus state and removing sentinels, in PR [#5243](https://github.com/microsoft/BotFramework-WebChat/pull/5243), by [@OEvgeny](https://github.com/OEvgeny)
 - Reworked pre-chat activity layout to use author entity for improved consistency and flexibility, in PR [#5274](https://github.com/microsoft/BotFramework-WebChat/pull/5274), by [@OEvgeny](https://github.com/OEvgeny)