Git commits in Moodle 3.11.1 by cescobedo

commit 386b1ad8a66948a87ff9b752faee8f168e259e97
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Thu, 08 Jul 2021 15:53:55 +0800
Tag:    v3.11.1

MDL-71919 core_message: Fix tests in message_send

commit 1f45155354ed4a525383133a09b9c525efd09b61
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Mon, 05 Jul 2021 21:57:23 +0800
Tag:    v3.11.1

MDL-71919 core_message: Fix unclosed html tags in email notification

commit 06d74009bafd8cc0091a40426839453e13d0a421
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Fri, 02 Jul 2021 13:10:01 +0800
Tag:    v3.11.1

MDL-71917 core_message: Use $USER in WS delete_message_for_all_users