Quay cannot send notification for event Package Vulnerability Found

Issue

• When the event Package will find a Vulnerability, it should trigger a Webhook Post which will send the notification, which is not working

• Following error can be seen in the Clair app pod logs

{"level":"error","deliverer":"webhook","component":"notifier/Delivery.Deliver","error":"failed to deliver notification: code: 400 status 400 Bad request","time":"2022-06-02T15:22:21Z","message":"encountered error on tick"}