Git commits in Moodle 3.11.1 by Claude Vervoort

commit 5e6412839230bf198ea53b34345474027ded8310
Author: Claude Vervoort <claude.vervoort@cengage.com>
Date:   Wed, 23 Jun 2021 05:31:04 +0800
Tag:    v3.11.1

MDL-71887 mod_lti: repost when no cookie due to crosssite request