Git commits in Moodle 3.10.4 by Mikhail Golenkov

commit 31530a27304ae3a0b7a6322b908a92dd58878c23
Author: Mikhail Golenkov <mikhailgolenkov@catalyst-au.net>
Date:   Tue, 30 Mar 2021 07:41:59 +0800
Tag:    v3.10.4

MDL-71233 backup: Fix Moodle version for MDL-69418