Fixes CSV CRD validation issues by adding missing default values

Signed-off-by: Per Goncalves da Silva <pegoncal@redhat.com>

Makefile

@@ -60,6 +60,8 @@ manifests: yq controller-gen ## Generate manifests e.g. CRD, RBAC etc
 	@# Add missing defaults in embedded core API schemas
 	$(YQ) --inplace '.spec.versions[0].schema.openAPIV3Schema.properties.spec.properties.install.properties.spec.properties.deployments.items.properties.spec.properties.template.properties.spec.properties.containers.items.properties.ports.items.properties.protocol.default="TCP"' ./crds/operators.coreos.com_clusterserviceversions.yaml
 	$(Q)$(YQ) --inplace '.spec.versions[0].schema.openAPIV3Schema.properties.spec.properties.install.properties.spec.properties.deployments.items.properties.spec.properties.template.properties.spec.properties.initContainers.items.properties.ports.items.properties.protocol.default="TCP"' ./crds/operators.coreos.com_clusterserviceversions.yaml
+	$(YQ) --inplace '.spec.versions[0].schema.openAPIV3Schema.properties.spec.properties.install.properties.spec.properties.deployments.items.properties.spec.properties.template.properties.spec.properties.imagePullSecrets.items.properties.name.default=""' ./crds/operators.coreos.com_clusterserviceversions.yaml
+	$(Q)$(YQ) --inplace '.spec.versions[0].schema.openAPIV3Schema.properties.spec.properties.install.properties.spec.properties.deployments.items.properties.spec.properties.template.properties.spec.properties.hostAliases.items.properties.ip.default=""' ./crds/operators.coreos.com_clusterserviceversions.yaml
 
 	@# Preserve fields for embedded metadata fields
 	$(Q)$(YQ) --inplace '.spec.versions[0].schema.openAPIV3Schema.properties.spec.properties.install.properties.spec.properties.deployments.items.properties.spec.properties.template.properties.metadata.x-kubernetes-preserve-unknown-fields=true' ./crds/operators.coreos.com_clusterserviceversions.yaml

crds/operators.coreos.com_clusterserviceversions.yaml

@@ -4504,6 +4504,7 @@ spec:
                                                 ip:
                                                   description: IP address of the host file entry.
                                                   type: string
+                                                  default: ""
                                             x-kubernetes-list-map-keys:
                                               - ip
                                             x-kubernetes-list-type: map
@@ -4558,6 +4559,7 @@ spec:
                                                     More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
                                                     TODO: Add other useful fields. apiVersion, kind, uid?
                                                   type: string
+                                                  default: ""
                                               x-kubernetes-map-type: atomic
                                             x-kubernetes-list-map-keys:
                                               - name