getNote method
Will get a collection of PcoGivingNote objects (expecting many)
using a path like this: https://api.planningcenteronline.com/giving/v2/donations/1/note
Implementation
Future<PcoCollection<PcoGivingNote>> getNote(
{PcoGivingNoteQuery? query}) async {
query ??= PcoGivingNoteQuery();
var url = '$apiEndpoint/note';
return PcoCollection.fromApiCall<PcoGivingNote>(url,
query: query, apiVersion: apiVersion);
}