ptp-operator: Deploy fails with spec.conversion.conversionReviewVersions required errors

[s-pravin]

Steps to reproduce:

• Cloned repo
• Enabled webhook and certmanager sections in config/crd/kustomization.yaml as per comments in config/default/kustomization.yaml

patchesStrategicMerge:
# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix.
# patches here are for enabling the conversion webhook for each CRD
- patches/webhook_in_ptpconfigs.yaml
- patches/webhook_in_nodeptpdevices.yaml
- patches/webhook_in_ptpoperatorconfigs.yaml
#+kubebuilder:scaffold:crdkustomizewebhookpatch

# [CERTMANAGER] To enable webhook, uncomment all the sections with [CERTMANAGER] prefix.
# patches here are for enabling the CA injection for each CRD
- patches/cainjection_in_ptpconfigs.yaml
- patches/cainjection_in_nodeptpdevices.yaml
- patches/cainjection_in_ptpoperatorconfigs.yaml
#+kubebuilder:scaffold:crdkustomizecainjectionpatch

• make deploy fails with following errors:

$ make deploy
/home/pravins/vanilla-k8s/ptp-operator/bin/controller-gen crd rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
test -s /home/pravins/vanilla-k8s/ptp-operator/bin/kustomize || { curl -Ss "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" | bash -s -- 4.5.7 /home/pravins/vanilla-k8s/ptp-operator/bin; }
cd config/manager && /home/pravins/vanilla-k8s/ptp-operator/bin/kustomize edit set image controller=ghcr.io/k8snetworkplumbingwg/ptp-operator:4.21
/home/pravins/vanilla-k8s/ptp-operator/bin/kustomize build config/default | kubectl apply -f -
namespace/openshift-ptp created
customresourcedefinition.apiextensions.k8s.io/hardwareconfigs.ptp.openshift.io created
serviceaccount/ptp-operator created
role.rbac.authorization.k8s.io/leader-election-role created
clusterrole.rbac.authorization.k8s.io/manager-role created
rolebinding.rbac.authorization.k8s.io/leader-election-rolebinding created
clusterrolebinding.rbac.authorization.k8s.io/manager-rolebinding created
configmap/manager-config created
service/webhook-service created
Warning: spec.template.spec.nodeSelector[node-role.kubernetes.io/master]: use "node-role.kubernetes.io/control-plane" instead
deployment.apps/ptp-operator created
certificate.cert-manager.io/serving-cert created
issuer.cert-manager.io/selfsigned-issuer created
validatingwebhookconfiguration.admissionregistration.k8s.io/ptpconfig-validating-webhook-configuration created
resource mapping not found for name: "controller-manager-metrics-monitor" namespace: "openshift-ptp" from "STDIN": no matches for kind "ServiceMonitor" in version "monitoring.coreos.com/v1"
ensure CRDs are installed first
Error from server (Invalid): error when creating "STDIN": CustomResourceDefinition.apiextensions.k8s.io "nodeptpdevices.ptp.openshift.io" is invalid: spec.conversion.conversionReviewVersions: Required value
Error from server (Invalid): error when creating "STDIN": CustomResourceDefinition.apiextensions.k8s.io "ptpconfigs.ptp.openshift.io" is invalid: spec.conversion.conversionReviewVersions: Required value
Error from server (Invalid): error when creating "STDIN": CustomResourceDefinition.apiextensions.k8s.io "ptpoperatorconfigs.ptp.openshift.io" is invalid: spec.conversion.conversionReviewVersions: Required value

Please help understand if I have missed to modify something.