Fix wrong branch in aum rollback

The use of the git repos pointing at v2023dev1 was introduced in 6ae11598 which was merged later on v2023dev2, causing the branching script not being able to update the branch name.

Manually fix the issue.

https://phabricator.apertis.org/T9407

Signed-off-by: Walter Lozano walter.lozano@collabora.com