Function update 

pub async fn update(
    pool: &PgPool,
    actor: &Actor,
    policy: &TargetPolicy,
    id: Uuid,
    input: WebhookInput,
) -> AppResult<Webhook>

Changes name, URL, events, project group and the active flag. Pending deliveries of a webhook that is switched off are given up.

Invariants

• Permission: administrator (403); unknown webhook is “not found”; input is validated as in create (400).
• Locks: the webhook row (FOR UPDATE).
• Data: switching an active webhook off marks its pending deliveries as failed.
• Audit: webhook.update (host of the URL, never the full URL).
• Notifications / webhooks: none.
• Atomic: one transaction.