Hackbot cannot see members of the mozilla-employee-confidential group #7288

HTTPStatusError: Client error '400 Bad Request' for url 'https://bugzilla.mozilla.org/rest/user?names=dkl%40mozilla.com&groups=mozilla-employee-confidential&include_fields=name&permissive=1'
For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/400
(18 additional frame(s) were not displayed)
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  File "fastapi/routing.py", line 352, in run_endpoint_function
    return await dependant.call(**values)
  File "app/routers/webhooks.py", line 182, in bugzilla_webhook
    if not await authorizer.is_authorized(detected.user_login):
  File "app/bugzilla_authorization.py", line 37, in is_authorized
    authorized = await self._is_user_in_group(login, self._authorized_group_name)
  File "app/bugzilla_authorization.py", line 57, in _is_user_in_group
    response.raise_for_status()
  File "httpx/_models.py", line 829, in raise_for_status
    raise HTTPStatusError(message, request=request, response=self)