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: Daniel Baumann <firstname.lastname@example.org>
Date: Sun Apr 19 12:11:28 2020 +0200
Updating to debhelper version 13.
Signed-off-by: Daniel Baumann <email@example.com>
HEAD not found in git ls-remote --symref origin - does this repository have a valid default branch?