Git commits in Moodle 3.10.4 by sam marshall

commit 31aedd4c1c319db0d62bd2897e1375143832fb65
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Tue, 02 Feb 2021 19:51:25 +0800
Tag:    v3.10.4

MDL-70537 Availability: Avoid recursive calls to $cm->name

commit 6877043d8c3c935e575ae144c33456eac42a35fb
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Thu, 10 Dec 2020 20:02:41 +0800
Tag:    v3.10.4

MDL-70446 search_solr: File indexing can fail due to multipart upload