List approval workflows

{
  "status": true,
  "message": "Approval workflows retrieved successfully. Use a workflow's `id` as `approval_workflow.workflow_id` when creating or updating a post.",
  "data": [
    {
      "id": "66a1f2e4c8b9a1234567890d",
      "_id": "66a1f2e4c8b9a1234567890d",
      "name": "Marketing Approval",
      "levels": [
        {
          "level_number": 1,
          "title": "Editors",
          "rule": "anyone",
          "members": [
            {
              "user_id": "627a078300a7d866600e7d02"
            }
          ]
        }
      ]
    }
  ]
}