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: Simon McVittie <email@example.com>
Date: Sun Sep 12 17:44:22 2021 +0100
Suggest using gnome-extensions-app instead of gnome-shell-extension-prefs