Git merges in Moodle 3.9.10 by Eloy Lafuente (stronk7)

commit 2c7f5745c6bcce4e26641e286ae3bf449d775408
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Sat, 11 Sep 2021 18:12:27 +0800
Tag:    v3.9.10

Merge branch 'install_39_STABLE' of https://git.in.moodle.com/amosbot/moodle-install into MOODLE_39_STABLE

commit 9b9237fde1d9533be3be258215a032f0e032c268
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Fri, 03 Sep 2021 23:03:32 +0800
Tag:    v3.9.10

Merge branch 'MDL-72478-39' of git://github.com/sarjona/moodle into MOODLE_39_STABLE

commit a7a8db38aae43421f51fe0b7fb931f78d27b66f9
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Tue, 24 Aug 2021 05:22:51 +0800
Tag:    v3.9.10

Merge branch 'MDL-71055-39' of git://github.com/andrewnicols/moodle into MOODLE_39_STABLE

commit 2ae147c9af098877bf021d8be92b1a6f466d171a
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Thu, 12 Aug 2021 06:06:21 +0800
Tag:    v3.9.10

Merge branch 'MDL-72265_39' of https://github.com/timhunt/moodle into MOODLE_39_STABLE