Update go dependencies to v1.17.0

vendor/k8s.io/kube-openapi/pkg/generators/openapi.go

@@ -473,13 +473,13 @@ func (g openAPITypeWriter) emitExtensions(extensions []extension, unions []union
 	g.Do("VendorExtensible: spec.VendorExtensible{\nExtensions: spec.Extensions{\n", nil)
 	for _, extension := range extensions {
 		g.Do("\"$.$\": ", extension.xName)
-		if extension.hasMultipleValues() {
+		if extension.hasMultipleValues() || extension.isAlwaysArrayFormat() {
 			g.Do("[]interface{}{\n", nil)
 		}
 		for _, value := range extension.values {
 			g.Do("\"$.$\",\n", value)
 		}
-		if extension.hasMultipleValues() {
+		if extension.hasMultipleValues() || extension.isAlwaysArrayFormat() {
 			g.Do("},\n", nil)
 		}
 	}