Git commits in Moodle 3.8.7 by Jun Pataleta

commit b820cbd7b2bbb1444fe361fdc29296341a4d8f1b
Author: Jun Pataleta <jun@moodle.com>
Date:   Fri, 08 Jan 2021 12:15:08 +0800
Tag:    v3.8.7

weekly release 3.8.6+