Git merges in Moodle 3.9.11 by Sara Arjona

commit 08da0dbb815d63d82ff427648198918686e9e04f
Author: Sara Arjona <sara@moodle.com>
Date:   Fri, 08 Oct 2021 18:43:26 +0800
Tag:    v3.9.11

Merge branch 'install_39_STABLE' of https://git.in.moodle.com/amosbot/moodle-install into MOODLE_39_STABLE