[TASK] 8.8 and 8.9 values are updated to include support for group initialization

[Ben-Sheppard]

Overview

To enable our Helm users to leverage support for initializing groups as part of application start-up we need to extend the existing orchestration.security.initialization key to include groups.

Sub-tasks

• TBC

[hisImminence]

As discussed with @Ben-Sheppard, this ticket aren’t ready yet - they are placeholders for upcoming work. We will move them to Next or Ready once the scope becomes more concrete.