mattermostOperator update to 1.22.0-bb.5

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/mattermost-operator/-/blob/1.22.0-bb.5/CHANGELOG.md

Package MR

big-bang/product/packages/mattermost-operator!103 (merged)

For Issue

Closes big-bang/product/packages/mattermost-operator#69 (closed)

Upgrade Notices

N/A