feat(paymentRefund): 新增取消付款退款单方法

- 添加 Cancel 方法用于取消付款退款单
- 通过远程客户端调用 Cancel 接口实现取消逻辑

erp/paymentRefund.go

@@ -142,6 +142,16 @@ func (p *paymentRefund) Edit(ctx context.Context, args ArgsPaymentRefundEdit) (e
 	return xClient.Call(ctx, "Edit", args, &reply)
 }
 
+// Cancel @TITLE 取消付款退款单
+func (p *paymentRefund) Cancel(ctx context.Context, paymentRefundId int64) error {
+	xClient, err := client.GetClient(p)
+	if err != nil {
+		return err
+	}
+	reply := 0
+	return xClient.Call(ctx, "Cancel", paymentRefundId, &reply)
+}
+
 // Ik3cloud @TITLE 金蝶同步
 func (p *paymentRefund) Ik3cloud(ctx context.Context, paymentRefundId int64) (err error) {
 	xClient, err := client.GetClient(p)