support pagerduty as an endpoint for incident creation and closure

We'd like to add pagerduty as a desitnation for policy reports. Ideally, after they are cleaned up they would be removed from pagerduty and closed. 

Here's the endpoint we'd need to setup to enable this request.
https://developer.pagerduty.com/api-reference/368ae3d938c9e-send-an-event-to-pager-duty