gitlab update to 7.8.0-bb.0

Package Merge Request

Package Changes

• Update GitLab to appVersion 16.8.0
• Update chart version to 7.8.0

Package MR

big-bang/product/packages/gitlab!241 (merged)

For Issue

Closes big-bang/product/packages/gitlab#229 (closed)

Upgrade Notices

Deprecations

• after_script keyword will run for cancelled jobs
• License Scanning support for sbt 1.0.X
• License List is deprecated
• Dependency Scanning support for sbt 1.0.X
• metric filter and value field for DORA API
• Support for setting custom schema for backup is deprecated
• Block usage of ref and sha together in GET /projects/:id/ci/lint
• GitLab Runner provenance metadata SLSA v0.2 statement