feat(generated): Add Groups API and Waitlist User events support

[workos-sdk-automation]

Summary

• New Groups API service with full CRUD operations for organization groups and group membership management (list, create, get, update, delete groups and manage members)
• New User Management Organization Membership Groups API to list groups for an organization membership
• New Waitlist User models and events: WaitlistUser, WaitlistUserCreated, WaitlistUserApproved, WaitlistUserDenied events
• New Admin Portal model: DomainVerificationIntentOptions for domain verification intent configuration
• Authorization API method renames for clarity: list_organization_membership_resources → list_resources_for_membership, list_resource_permissions → list_effective_permissions, list_organization_membership_role_assignments → list_role_assignments, delete_organization_membership_role_assignment → remove_role_assignment, create_role_permission → add_organization_role_permission, update_role_permissions → set_organization_role_permissions, delete_role_permission → remove_organization_role_permission, get_organization_resource → get_resource_by_external_id, update_organization_resource → update_resource_by_external_id, delete_organization_resource → delete_resource_by_external_id, list_resource_organization_memberships → list_memberships_for_resource_by_external_id
• Invitations field addition: role_slug field added to Invitation and InvitationAcceptedData models
• Bug fixes: Fixed IntentOptions to support optional SSO and domain_verification fields, improved deserialization with default values for object and event fields across all models, moved Group model from common to groups service module

Triggered by workos/openapi-spec@36f2763