Git commits in Moodle 3.9.9 by Ilya Tregubov

commit 6b632fef09e3e0146a39fa0443849a528d9871b3
Author: Ilya Tregubov <ilya@moodle.com>
Date:   Wed, 28 Jul 2021 22:48:25 +0800
Tag:    v3.9.9

weekly release 3.9.8+

commit 2bd53efc1badce6591a1efd9aa2292f061eb25fa
Author: Ilya Tregubov <ilya@moodle.com>
Date:   Fri, 23 Jul 2021 17:31:05 +0800
Tag:    v3.9.9

weekly release 3.9.8+