Use Phone Number Input from @woocommerce/components

[mikkamp]

User story

WooCommerce added a Phone Number input component in @woocommerce/components which includes validation. It took a while before it was fully available in WC L-2 but now that it's been around for more than 6 months we shouldn't have a problem with support. Would we benefit from reusing this instead of a custom component?

Potential benefits:

• Could reduce the bundle size
• Less code to maintain within the extension
• Standardization so that all phone number inputs are the same across WooCommerce

See details about the component: https://github.com/woocommerce/woocommerce/tree/trunk/packages/js/components/src/phone-number-input

Additional details:

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