[eas-cli] Add CHANGELOG entry for non-interactive update:rollback

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: quinlanj

CHANGELOG.md

@@ -9,6 +9,7 @@ This is the log of notable changes to EAS CLI and related packages.
 ### 🎉 New features
 
 - [eas-cli] Non-interactive iOS App Store and Enterprise builds can now use the App Store Connect API key stored in EAS credentials as a submission key to validate and repair provisioning profiles on Apple servers, without requiring `EXPO_ASC_*` environment variables or an interactive Apple login. ([#3805](https://github.com/expo/eas-cli/pull/3805) by [@sswrk](https://github.com/sswrk))
+- [eas-cli] Add support for non-interactive `eas update:rollback [GROUP_ID]`. The given update group must be the latest for its branch and runtime version; the previous update group is republished, or a roll back to the embedded update is published if there is none. ([#3825](https://github.com/expo/eas-cli/pull/3825) by [@quinlanj](https://github.com/quinlanj))
 
 ### 🐛 Bug fixes