Git commits in Moodle 3.8.5 by Jonathon Fowler

commit cd8c136c700146a58c1f49fa3185cd4c31434922
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Tue, 23 Jun 2020 08:59:38 +0800
Tag:    v3.8.5

MDL-69113 assign: save grader app workflow/marker filters correctly

commit 8351210984981c14c696405730cc553c5549f010
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Fri, 15 May 2020 08:13:52 +0800
Tag:    v3.8.5

MDL-68731 forum: fix digests not correctly updating post read statuses