Update Mattermost to 5.13.3 (GitLab 12.2)
Mattermost 5.13.3 includes a medium severity security fix that was previously included in Mattermost 5.14.0.
Part of #4654 (closed)
Edited by 🤖 GitLab Bot 🤖
Mattermost 5.13.3 includes a medium severity security fix that was previously included in Mattermost 5.14.0.
Part of #4654 (closed)