Git commits in Moodle 3.11.1 by Thong Bui

commit 95974314ddf5a253219a4eb3f4c5b6f971fa8c2d
Author: Thong Bui <qktc1422@gmail.com>
Date:   Tue, 18 May 2021 19:15:25 +0800
Tag:    v3.11.1

MDL-71644 Quiz: The issues outstanding from MDL-70947.