origins/apertis: Update bugtracker URL

Signed-off-by: Emanuele Aina <emanuele.aina@collabora.com>

origins/apertis

 Vendor: Apertis
 Vendor-URL: https://apertis.org/
-Bugs: https://phabricator.apertis.org/maniphest/task/edit/form/8/
+Bugs: https://gitlab.apertis.org/infrastructure/apertis-issues/-/issues
 Parent: Debian