Git commits in Moodle 3.11.4 by Ferran Recio

commit d70cfe4c8c28dcf5407d44134f284be1d33e7139
Author: Ferran Recio <ferran@moodle.com>
Date:   Thu, 16 Sep 2021 15:13:06 +0800
Tag:    v3.11.4

MDL-72566 completion: fix missing mod bug