Registers a new webhook subscription with the given input.

Security: Requires authentication using Access Tokens. You can authenticate using the following methods:

• Administrator Roles: Authenticate as admin, Project Admin, or user with the Platform Admin role.
  • Note: Project Admins can only create webhook subscriptions for the artifact, artifact_property, docker, and build domains.
• User with Manage Webhooks Role: Available from Artifactory version 7.137.0
• Scoped Token: Available from Artifactory version 7.135.0 using the system:webhooks@<project_key>/<JFrog_domain>:w scope.