Git merges in Moodle 3.5.16 by Jun Pataleta

commit cbf63fe2892b1e54a993649d89d30e93ae15b531
Author: Jun Pataleta <jun@moodle.com>
Date:   Fri, 08 Jan 2021 12:15:00 +0800
Tag:    v3.5.16

Merge branch 'install_35_STABLE' of https://git.in.moodle.com/amosbot/moodle-install into MOODLE_35_STABLE