List Mave threads

curl --request GET \
  --url https://app.mavera.io/api/v1/mave/threads \
  --header 'Authorization: Bearer <token>'

{
  "object": "list",
  "data": [
    {
      "id": "<string>",
      "object": "mave_thread",
      "title": "<string>",
      "current_phase": "TRIAGE",
      "complexity": "SIMPLE",
      "credits_used": 123,
      "workspace_id": "<string>",
      "message_count": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "has_more": true,
  "next_cursor": "<string>"
}