Populate security privileges for roles

### Blockers/Dependencies
None

### Overview
REPLACE THIS TEXT -Text here that clearly states the purpose of this issue in 2 sentences or less.

### Action Items
- [ ] Create script that will:
- [ ] If PEOPLE_DEPOt_SYNCH=TRUE
- [ ] kb.admin: all privileges for kb,view privileges for PD. For V2, allow update of users
- [ ] kb.maintainer: all privileges for kb, view privileges for pd
- [ ] kb.approver: same as maintainer
- [ ] kb.view: all view privileges for kb and pd
- [ ] If PEOPLE_DEPOT_SYNCH=FALSE
- [ ] kb.admin: all privileges for all tables
- [ ] kb.maintainer: all privileges for all tables except view only for users
- [ ] kb.approver: same as maintainer
- [ ] kb.view: all view privileges for kb and pd
### How to Manually Verify
REPLACE THIS TEXT - Describe how to manually verify either through UI or executing the code and inspecting.

### Automated Tests
Any automated tests?

### Resources/Instructions
REPLACE THIS TEXT -If there is a website which has documentation that helps with this issue provide the link(s) here.

No implementation files, entry points, or automated tests are identified. First clarify the placeholder overview, the PEOPLE_DEPOT_SYNCH behavior, the privilege scope for each role, and how to verify the result. Done should include the script, documented manual verification, and automated tests covering both synchronization settings.

Rédigé par le modèle d'indexation à partir du texte de l'issue.