this package seems to have new commits in its VCS but has
not yet updated debian/changelog. You should consider updating
the Debian changelog and uploading this new version into the archive.
Here are the relevant commit logs:
Author: Hugh McMaster <firstname.lastname@example.org>
Date: Wed Sep 1 22:38:37 2021 +1000
debian/gbp.conf: Use DEP-14 branch naming