Git commits in Moodle 3.9.7 by Peter Dias

commit 1dd574efd8bd41a3e02b583c3e7c21b368a5dd2e
Author: Peter Dias <peter@moodle.com>
Date:   Wed, 28 Apr 2021 10:04:07 +0800
Tag:    v3.9.7

MDL-71460 hub: Use checkboxes instead of dropdowns