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: Reiner Herrmann <firstname.lastname@example.org>
Date: Fri Jun 10 01:19:55 2022 +0200
Fix watch file and update to version 4
The Vcs URL git://anonscm.debian.org/pkg-games/gmult.git is deprecated/defunct, https://anonscm.debian.org/git/pkg-games/gmult.git was tried instead. Please update the Vcs field in debian/control.