kube-score-workload-cluster failure on rancher-monitoring-alertmanager

Its observed in:

• https://gitlab.com/sylva-projects/sylva-core/-/jobs/7701920565
• and with recent main code base https://gitlab.com/sylva-projects/sylva-core/-/jobs/7703552172#L77

that there is PodDisruptionBudget policy failure.

policy/v1/PodDisruptionBudget rancher-monitoring-alertmanager in cattle-monitoring-system💥
    [CRITICAL] PodDisruptionBudget has policy
        · PodDisruptionBudget missing policy
            PodDisruptionBudget should specify minAvailable or maxUnavailable.

cc @satyawanj @marc.bailly1