missing anti-affinity on keycloak

We have a mgmt-kube-score CI job failing on Keycloak not having any podAntiAffinity

e.g. here (for this pipeline: https://gitlab.com/sylva-projects/sylva-core/-/pipelines/2174785363)

apps/v1/StatefulSet keycloak in keycloak                                      
    [WARNING] StatefulSet has host PodAntiAffinity
        · StatefulSet does not have a host podAntiAffinity set
            It's recommended to set a podAntiAffinity that stops multiple pods
            from a statefulset from being scheduled on the same node. This
            increases availability in case the node becomes unavailable.

Having anti-affinity would be a good practice