Adding example operand image for Red Hat certification

Author: thegridman

.github/workflows/minikube-matrix.yaml

@@ -133,7 +133,6 @@ jobs:
         export MINIKUBE_K8S=${{ matrix.k8s }}
         make minikube
         eval $(minikube -p minikube docker-env)
-        eval $(minikube -p minikube podman-env)
         minikube version
         minikube status
         kubectl version