Update a charger

curl --request PUT \
  --url https://cloud.volttime.com/api/v3/chargers/{charger_uuid} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "reference": "b"
}'

{
  "data": {
    "uuid": "a4855dc5-0acb-33c3-b921-f4291f719ca0",
    "id": 5,
    "identity": "c90237e9-ced5-3af6-88ea-84aeaa148878",
    "reference": null,
    "connection_status": "never_seen",
    "status": null,
    "error": null,
    "error_info": null,
    "created_at": "2025-07-04T13:42:21.000000Z",
    "updated_at": "2025-07-04T13:42:21.000000Z",
    "licenses": {
      "smart": false,
      "pro": false
    }
  }
}