Update headlamp tag 0.39.0 bb.2

Package Merge Request

Package Changes

Implement Keycloak SSO for Headlamp, including groups flowing down to the Kubernetes API and mapping in the custom role bindings.

Package MR

big-bang/product/packages/headlamp!121 (merged)

For Issue

Closes big-bang/product/packages/headlamp#61 (closed)

Upgrade Notices

N/A