Git merges in Moodle 3.7.9 by Sara Arjona

commit 1ddc287877e57ec2fa4824c68087615931b77afe
Author: Sara Arjona <sara@moodle.com>
Date:   Fri, 09 Oct 2020 17:12:04 +0800
Tag:    v3.7.9

Merge branch 'install_37_STABLE' of https://git.in.moodle.com/amosbot/moodle-install into MOODLE_37_STABLE