Git commits in Moodle 3.9.1 by Nicolas Martignoni

commit bae07c1bfb5a7af3faf09cf8d85b8a01aa02c16a
Author: Nicolas Martignoni <nicolas@martignoni.net>
Date:   Fri, 12 Jun 2020 23:20:18 +0800
Tag:    v3.9.1

MDL-68992 Privacy: Update default minimal digital age of consent