Retrieve pincodes

curl --request GET \
  --url https://services.commercengine.dev/api/v1/x2yh61zw4k/storefront/common/countries/{country_iso_code}/pincodes \
  --header 'Authorization: Bearer <token>'

{
  "message": "<string>",
  "success": true,
  "content": {
    "pincodes": [
      {
        "pincode": "<string>",
        "city": "<string>",
        "state_name": "<string>",
        "country_name": "<string>",
        "country_iso_code": "<string>"
      }
    ]
  }
}