Git commits in Moodle 3.11.x by Denis Brat

commit f9e7aa5820da98e5b13f37d6ce85e58d849875e6
Author: Denis Brat <denis.juergen@gmail.com>
Date:   Wed, 16 Dec 2020 02:00:14 +0800
Tag:    v3.11.9

MDL-69251 enrol_lti: fix sync_members task inconsistent internal state