Get base collaborator user list

curl --request GET \
  --url http://127.0.0.1:3000/api/base/{baseId}/collaborators/users \
  --header 'Authorization: Bearer <token>'

{
  "users": [
    {
      "id": "<string>",
      "name": "<string>",
      "email": "<string>",
      "avatar": "<string>"
    }
  ],
  "total": 123
}