Git commits in Moodle 3.9.3 by Michael Milette

commit 754440d796b6b4c8aaaf4fa4f8762b006b067300
Author: Michael Milette <michael.milette@tngconsulting.ca>
Date:   Tue, 19 May 2020 13:06:41 +0800
Tag:    v3.9.3

MDL-68766 auth: Login form: 'Log in using...' should be h3, not h6