Update Mattermost to 6.7.0
Package Merge Request
Package Changes
Package MR
https://repo1.dso.mil/platform-one/big-bang/apps/collaboration-tools/mattermost/-/merge_requests/91
For Issue
Closes https://repo1.dso.mil/platform-one/big-bang/apps/collaboration-tools/mattermost/-/issues/48
Edited by Micah Nagel