Currently, the kiali test suites have old bookinfo images for P/Z. We need to rebuild them to use the latest one.

For bookinfo:
https://github.com/kiali/kiali/blob/master/hack/istio/kustomization/bookinfo-ppc64le.yaml

https://github.com/kiali/kiali/blob/master/hack/istio/kustomization/bookinfo-s390x.yaml

We need to check also weather latest sleep image change is the latest one as istio samples use

https://github.com/kiali/kiali/pull/7692/files