composer require stefandoorn/google-shopping-category-form-type-bundle
In your form, use:
$builder->add('googleShoppingCategory', GoogleShoppingCategoryType::class);
The locale of the category list downloaded can be adjusted by injecting another locale into the downloader service:
google_shopping_category.downloader.category:
class: StefanDoorn\GoogleShoppingCategoryFormTypeBundle\Downloader\GoogleShoppingCategoryList
arguments:
- 'nl_NL'