Update PayPal component to add the onShippingChange event.

[pabloai]

Summary

Update PayPal component to add the onShippingChange event. This lets merchants listen to shipping changes and accept or reject the selected address.

More information on PayPal's docs and (JavaScript SDK references](https://developer.paypal.com/docs/business/javascript-sdk/javascript-sdk-reference/#onshippingchange).

const paypalComponent = checkout.create('paypal', {
    // ...
    onShippingChange: (data, actions) => {
        if (data.shipping_address.country_code !== 'US') {
            return actions.reject();
        }

        return actions.resolve();
    }
}

Keep in mind that updating the order is not supported in our implementation, so it's not possible to patch the amount according to the selected address.

Fixed issue: #700

[github-actions]

Size Change: +11 B (0%)

Total Size: 145 kB

Filename	Size	Change
packages/lib/dist/adyen.js	145 kB	+11 B (0%)

_{compressed-size-action}

[sonarcloud]

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