fix(member): delete authentik user when removing member

backend/app/api/admin_catalog.py

@@ -680,6 +680,13 @@ def delete_member(
     row = users_repo.get_by_sub(authentik_sub)
     if not row:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="user_not_found")
+    settings = get_settings()
+    service = AuthentikAdminService(settings=settings)
+    service.delete_user(
+        authentik_user_id=row.authentik_user_id,
+        email=row.email,
+        username=row.username,
+    )
     db.execute(delete(PermissionGroupMember).where(PermissionGroupMember.authentik_sub == authentik_sub))
     db.delete(row)
     db.commit()