fix gen swagger for k8s 1.27

Signed-off-by: lonelyCZ <chengzhe@zju.edu.cn>

hack/tools/swagger/lib/storage.go

@@ -31,6 +31,7 @@ type ProxyREST struct{}
 var _ rest.GroupVersionKindProvider = &StandardREST{}
 var _ rest.Scoper = &StandardREST{}
 var _ rest.StandardStorage = &StandardREST{}
+var _ rest.SingularNameProvider = &StandardREST{}
 
 // Implement below interfaces for StatusREST.
 var _ rest.Patcher = &StatusREST{}
@@ -104,6 +105,11 @@ func (r *StandardREST) Destroy() {
 	// need to destroy anything.
 }
 
+// GetSingularName implements the SingularNameProvider interfaces.
+func (r *StandardREST) GetSingularName() string {
+	return ""
+}
+
 // GroupVersionKind implement GroupVersionKind interface.
 func (r *StatusREST) GroupVersionKind(_ schema.GroupVersion) schema.GroupVersionKind {
 	return r.cfg.gvk