Gitlab: Update CI test image

Package Merge Request

Package Changes

https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/gitlab/-/blob/6.7.0-bb.1/CHANGELOG.md

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/gitlab/-/merge_requests/170

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/gitlab/-/issues/171