[feature][bug] Support for webhook event signing

[elliotdickison]

It is not currently possible to configure webhook event signing. This should be solved with a new argument on the fusionauth_webhook resource along the following lines:

resource "fusionauth_webhook" "example" {
  signature_configuration {
    enabled: true
    signing_key_id: "string"
  }
}

[elliotdickison]

I'm up for adding this, but wanted to log it here for reference

[elliotdickison]

Turns out there is also a bug related to this: signing appears to be reset on existing Terraform-managed webhooks when adding new webhooks via Terraform.

[sachams]

I'm seeing this too: if you make any webhook changes via Terraform then you have to remember to re-enable signing otherwise your webhooks break. Is there a timeline for fixing/adding?