getEvents method
Will get a collection of PcoWebhooksEvent objects (expecting many)
using a path like this: https://api.planningcenteronline.com/webhooks/v2/subscriptions/1/events
Implementation
Future<PcoCollection<PcoWebhooksEvent>> getEvents(
{PcoWebhooksEventQuery? query}) async {
query ??= PcoWebhooksEventQuery();
var url = '$apiEndpoint/events';
return PcoCollection.fromApiCall<PcoWebhooksEvent>(url,
query: query, apiVersion: apiVersion);
}