Drill: deterministic forced control-plane timeout mode

[svelderrainruiz]

Summary

• add workflow-dispatch input orce_control_plane_watch_timeout to
  elease-race-hardening-drill.yml
• plumb new control into Invoke-ReleaseRaceHardeningDrill.ps1
• support deterministic failure injection: control_plane_watch_timeout: injected_for_drill ...
• extend race-drill workflow contract test coverage

Validation

• Invoke-Pester -Path ./tests/ReleaseRaceHardeningDrillWorkflowContract.Tests.ps1 -CI
• Invoke-Pester -Path ./tests/ReleaseControlPlaneWorkflowContract.Tests.ps1 -CI
• Invoke-Pester -Path ./tests -CI