How can I change webhook response?

Depends. If you know from the start where to redirect to “yes”. In this case is it possible to set the Response Code to 303 and add a Response Header with key Location and value to wherever you want to redirect to on the Webhook-Node.

If you want set the destination dynamically, what I expect, then it is sadly not possible yet. It is however planned in the future to be able to set also Response Code and Response Header dynamically at a later point on the workflow.