List organization members

curl --request GET \
  --url https://api.propal.io/v1/organization/members \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "user_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "role": "<string>",
      "created_at": "<string>"
    }
  ]
}