make user admin

{
    "success": true,
    "message": "User made admin successfully !",
    "data": {
        "id": "16",
        "user_id": "39c749ce-a5b4-4a79-8af5-6ee709d49030",
        "business_id": null,
        "first_name": "Michael",
        "last_name": "Adeleke",
        "phone": "+2349054403048",
        "email": "michael@cantant.com",
        "gender": "male",
        "avatar": null,
        "dial_code": "+234",
        "role": "admin",
        "timezone": null,
        "is_subscribed": true,
        "email_verified": true,
        "created_at": "2023-07-17T20:28:37.178+01:00",
        "updated_at": "2023-09-19T21:02:40.505+01:00",
        "fullName": "Michael Adeleke"
    }
}