Cherry-pick mimemagic-related changes to 13-10-stable-ee
Cherry-picks MRs outlined in gitlab-com/gl-infra/delivery#1650 (closed) into 13-10-stable-ee
.
Edited by Robert Speicher
Cherry-picks MRs outlined in gitlab-com/gl-infra/delivery#1650 (closed) into 13-10-stable-ee
.