Create the subscription for the NUMA Resources Operator: uses the incorrect apiVersion

Installing the NUMA Resources Operator using the CLI does not work wrt to creating the subscription. Create the subscription for the NUMA Resources Operator: uses the incorrect apiVersion: and it fails with error "error: resource mapping not found for name: "numaresources-operator" namespace: "openshift-numaresources" from "nro-sub.yaml": no matches for kind "Subscription" in version "operators.coreos.com/v1"
ensure CRDs are installed first" should be apiVersion: operators.coreos.com/v1alpha1

4.13 

See https://docs.openshift.com/container-platform/4.13/scalability_and_performance/cnf-numa-aware-scheduling.html#cnf-installing-numa-resources-operator-cli_numa-aware

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