getOwner method

Will get a collection of PcoGivingPerson objects (expecting many) using a path like this: https://api.planningcenteronline.com/giving/v2/batches/1/owner

Implementation

Future<PcoCollection<PcoGivingPerson>> getOwner(
    {PcoGivingPersonQuery? query}) async {
  query ??= PcoGivingPersonQuery();
  var url = '$apiEndpoint/owner';
  return PcoCollection.fromApiCall<PcoGivingPerson>(url,
      query: query, apiVersion: apiVersion);
}