Changes to Create Phone Number

added the new optional request property is_staff_transfer

added the optional property is_staff_transfer to the response with the 201 status

added the new optional request property bounce_back_intake_squad_id

added the optional property bounce_back_intake_squad_id to the response with the 201 status

added the new optional request property outbound_squad_id_es

added the optional property outbound_squad_id_es to the response with the 201 status

removed the request property call_transport

removed the optional property call_transport from the response with the 201 status

the agent_platform request property default value changed from pipecat to vapi

the agent_platform response's property default value changed from pipecat to vapi for the status 201