Add worker to sync approval rules from security_findings

What does this MR do and why?

This is part 2 MR for Create new worker for syncing approval rules fr... (#387277 - closed) where a new worker is introduced. The first MR (Add service for syncing approval rules from sec... (!115798 - merged)) that adds the service class was merged, this MR calls that service.

Sequence

Before

sequenceDiagram
    participant Pipeline
    participant StoreScansWorker
    participant SyncReportsToReportApprovalRulesWorker
    participant ApprovalRules
    Pipeline->>StoreScansWorker: transitioned to complete status
    Pipeline->>SyncReportsToReportApprovalRulesWorker: transitioned to complete status
    SyncReportsToReportApprovalRulesWorker->>ApprovalRules: parse findings and update approvals_required

After

sequenceDiagram
    participant Pipeline
    participant StoreScansWorker
    participant SyncReportsToReportApprovalRulesWorker
    participant SyncFindingsToApprovalRulesWorker
    participant ApprovalRules
    Pipeline->>StoreScansWorker: transitioned to complete status
    Pipeline->>SyncReportsToReportApprovalRulesWorker: transitioned to complete status
    StoreScansWorker->>SyncFindingsToApprovalRulesWorker: after inserting security_findings
    SyncFindingsToApprovalRulesWorker->>ApprovalRules: update approvals_required

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.