Git commits in Moodle 3.10.5 by Ilya Tregubov

commit 773984295be4491f937dc8da1d29736fbae4f2e9
Author: Ilya Tregubov <ilya@moodle.com>
Date:   Thu, 01 Jul 2021 22:42:05 +0800
Tag:    v3.10.5

weekly release 3.10.4+


commit d4ba29cac0b40f0ba96036108c1ca33813d7a270
Author: Ilya Tregubov <ilya@moodle.com>
Date:   Wed, 09 Jun 2021 12:06:10 +0800
Tag:    v3.10.5

MDL-70750 mod_survey: Fix warning for undefined offset.