Git commits in Moodle 3.9.x by Alex Morris

commit c8f9140e707dcd620d31da938e2b16f779738fb0
Author: Alex Morris <alex.morris@catalyst.net.nz>
Date:   Wed, 22 Jun 2022 15:32:31 +0800
Tag:    v3.9.15

MDL-75044 assignfeedback_editpdf: Add SAFER option to GS command