Changes to Get Outbound Dial Status

added the optional property hours_follow_lead_timezone to the response with the 200 status

the response property calling_window_end became optional for the status 200

the response property calling_window_start became optional for the status 200

response property calling_window_end list-of-types was widened by adding types null to media type application/json of response 200

response property calling_window_start list-of-types was widened by adding types null to media type application/json of response 200

added the optional property next_calling_window_open to the response with the 200 status

endpoint added