gitlab update to 9.7.0-bb.2

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/gitlab/-/blob/9.7.0-bb.2/CHANGELOG.md

Package MR

big-bang/product/packages/gitlab!436 (merged)

For Issue

Closes big-bang/product/packages/gitlab#336 (closed) big-bang/product/packages/gitlab#381 (closed)

Upgrade Notices

N/A