Update packit-build msg

<img width="923" height="175" alt="Image" src="https://github.com/user-attachments/assets/086ebc29-e908-4ccc-a76b-4bd70d0c995a" />

Packit is trying to tag a group from the old org. https://github.com/orgs/containers/teams/packit-build

cc @lsm5 