for #24471 This PR adds missing support for updating a team's failing policy webhook via GitOps: * If `team_settings.webhook_settings.failing_policies_webhook` is not set, the webhook will be disabled and all settings cleared. * If `team_settings.webhook_settings.failing_policies_webhook` is set, the webhook will be configured according to the specified settings. A new test has been added to verify this functionality, and I tested it locally using the `fleetctl gitops` command. --------- Co-authored-by: Dante Catalfamo <43040593+dantecatalfamo@users.noreply.github.com>