Git commits in Moodle 3.11.x by Karen Holland

commit 66a7400dcf9d9540fe4e58ebe5d5118e73a397e6
Author: Karen Holland <karen@brickfield.ie>
Date:   Sat, 08 May 2021 02:44:14 +0800
Tag:    v3.11.0-rc2

MDL-71569 Accessibility toolkit: Fix Summary data task failure