Cloned:  Add the diagram to the documentation when it is ready.

Parent epic:   https://issues.redhat.com/browse/CNV-21854

Update downstream documentation with the information that tekton-tasks-operator was deprecated and all resources are now deployed by ssp-operator.

https://docs.openshift.com/container-platform/4.13/virt/virt-architecture.html#virt-about-tekton-tasks-operator_virt-architecture