Git commits in Moodle 3.10.5 by Sujith Haridasan

commit 593b55fa7df87122590c7367a81e39611ad12700
Author: Sujith Haridasan <sujith@moodle.com>
Date:   Thu, 10 Jun 2021 14:50:17 +0800
Tag:    v3.10.5

MDL-68915 core_form: Fix the behat test failure


commit f3b98362da487a8362cc4de481b10554af4b2db1
Author: Sujith Haridasan <sujith@moodle.com>
Date:   Fri, 21 May 2021 14:03:45 +0800
Tag:    v3.10.5

MDL-68915 lesson: Do not allow maxgrade change


commit 9c621d53e940c6fa524d983d64f217bfa39f5770
Author: Sujith Haridasan <sujith@moodle.com>
Date:   Mon, 10 May 2021 19:50:05 +0800
Tag:    v3.10.5

MDL-71241 course: Validate and sanitize sort arguments


commit 2dbd9a955460226454e5d264983e3b6382cb4b54
Author: Sujith Haridasan <sujith@moodle.com>
Date:   Mon, 05 Apr 2021 12:54:24 +0800
Tag:    v3.10.5

MDL-67975 nextcloud: Add support for Link to file