curl --request PUT \
  --url https://api.xplenty.com/{account_id}/api/packages/{package_id} \
  --header 'Accept: <accept>' \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "description": "<string>",
  "flow_type": "<string>",
  "raw_data": {}
}
'

{
  "id": 123,
  "name": "<string>",
  "description": "<string>",
  "variables": {},
  "owner_id": 123,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "url": "<string>",
  "html_url": "<string>",
  "status": "<string>"
}