Git commits in Moodle 3.5.18 by Shamim Rezaie

commit ac7c3878f695dad307d45ec2f693074c42b9deba
Author: Shamim Rezaie <shamim@moodle.com>
Date:   Thu, 10 Sep 2020 09:57:34 +0800
Tag:    v3.5.18

MDL-69028 repository: Put a rate limit on draft file uploads