mattermostOperator update to 1.22.0-bb.2

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/mattermost-operator/-/blob/1.22.0-bb.2/CHANGELOG.md

Package MR

big-bang/product/packages/mattermost-operator!102 (merged)

For Issue

Closes big-bang/product/packages/mattermost-operator#70 (closed)

Upgrade Notices

N/A