Git commits in Moodle 3.10.4 by Huong Nguyen

commit 62b4ebab514b2443568c08877a43a2c54595bcab
Author: Huong Nguyen <huongn@moodle.com>
Date:   Thu, 22 Apr 2021 12:01:09 +0800
Tag:    v3.10.4

MDL-70720 Quiz: Improve capability checks when fetching users' best grades