GET /api/fleet/epm/packages/_bulk_upgrade/{taskId}
curl \ --request GET 'https://<KIBANA_URL>/api/fleet/epm/packages/_bulk_upgrade/{taskId}' \ --header "Authorization: $API_KEY"
curl \ --request GET 'https://<KIBANA_URL>/api/fleet/epm/packages/_bulk_upgrade/{taskId}' \ --header "Authorization: $API_KEY"