SKIP UPGRADE CHECK mattermost update to 9.10.1-bb.2

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/mattermost/-/blob/9.10.1-bb.2/CHANGELOG.md

Package MR

big-bang/product/packages/mattermost!261 (merged)

For Issue

Closes big-bang/product/packages/mattermost#155 (closed)

Upgrade Notices

Postgresql using the builtin bitnami module does not upgrade gracefully. You must manually backup and restore your database before accepting this upgrade. Using the builtin postgresql module is not a supported configuration in production environments.