Please add security_advisory and code_scanning_alert event types

These two event types would be very useful to be able to receive through the webhook API.

https://docs.github.com/en/developers/webhooks-and-events/webhooks/webhook-events-and-payloads#security_advisory

https://docs.github.com/en/developers/webhooks-and-events/webhooks/webhook-events-and-payloads#code_scanning_alert

Thanks, Ryan