Add storageversion kubebuilder marker in Crossplane pipeline (#280)

Issue #, if available:

Description of changes:
For cases where we do not delete the old version, we need to mark the generated type with storage version.


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Author: ulucinar

templates/crossplane/apis/crd.go.tpl

@@ -62,6 +62,7 @@ type {{ .CRD.Kind }}Status struct {
 // +kubebuilder:printcolumn:name="SYNCED",type="string",JSONPath=".status.conditions[?(@.type=='Synced')].status"
 // +kubebuilder:printcolumn:name="EXTERNAL-NAME",type="string",JSONPath=".metadata.annotations.crossplane\\.io/external-name"
 // +kubebuilder:subresource:status
+// +kubebuilder:storageversion
 // +kubebuilder:resource:scope=Cluster,categories={crossplane,managed,aws}
 type {{ .CRD.Kind }} struct {
 	metav1.TypeMeta   `json:",inline"`