[Bug]: Wrong pincode at first index of array. There is no types parameter with key postal_code just like google provides in its reversegeocoding API.

### Please check the following before submitting a new issue.

- [X] I have searched the [existing issues](https://github.com/baseflow/flutter-geocoding/issues).
- [X] I have carefully [read the documentation](https://github.com/Baseflow/flutter-geocoding/blob/main/geocoding/README.md) and verified I have added the required platform specific configuration.

### Please select affected platform(s)

- [X] Android
- [X] iOS

### Steps to reproduce

Hi,

Facing issue of having wrong pincode based on provided devices latitude and longitude. Example, If I am passing device latitude longitude, the accurate postal code should get visible.

Result

Expected Output : 24.8234664, 75.0307014 => 458226

### Expected results

If I pass latlong : 24.8234664, 75.0307014 it should get pincode as 458226

### Actual results

When passing latlong : 24.8234664, 75.0307014 getting pincode 454226

### Code sample

List placemarks = await geocoding.placemarkFromCoordinates(loc.latitude, loc.longitude);

Using dart, I should get types as postal-code and basis of that I should get the actual pincode of that location.

### Screenshots or video

_No response_

### Version

3.0.0

### Flutter Doctor output

Have done all the things and upgraded the flutter version with all other dependencies

Inizia riproducendo le coordinate segnalate tramite la chiamata Dart placemarkFromCoordinates sia su Android sia su iOS, usando la versione 3.0.0 e confrontando i dati del codice postale restituiti. Traccia il modo in cui il plugin espone il risultato del geocoder della piattaforma e determina se la selezione del codice postale richiesta è supportata. Il lavoro è completato quando le coordinate segnalate restituiscono il pincode previsto oppure la limitazione è documentata con un risultato verificato.

Scritto dal modello di indicizzazione a partire dal testo della issue.