WooCommerce EU VAT Number 2.9.3

* Fix – Ensure WC Blocks compatibility scripts are only loaded when on a page containing WC Blocks.
* Dev – Bump PHP minimum supported version from 7.0 to 7.2.
* Dev – Bump WooCommerce minimum supported version from 6.0 to 6.8.
* Dev – Bump WooCommerce “tested up to” version 7.4.
* Dev – Resolve deprecation warning in SCSS source

* Fix – UK VAT number validation issue.
* Tweak – Bump WooCommerce tested up to 7.3.0

* Add – Ability to Collect and Validate Evidence in the WooCommerce Blocks Checkout.
* Add – Add the EU VAT Number block as a form step in the WooCommerce Blocks Checkout.
* Add – Support for High-performance Order Storage (“HPOS”) (formerly known as Custom Order Tables, “COT”).
* Add – Output a zero tax line item with the reason why it’s zero in both the order email and invoice.
* Add – New filter wc_eu_vat_number_zero_tax_reason used to modify the zero tax reason text.
* Add – Implement support for automatic translation files delivery.
* Add – Declare support for High-performance Order Systems (“HPOS”).
* Fix – Issue with updating VAT code from the My Account screen.
* Fix – Errors in PHP Coding Standards.
* Fix – Checkout VAT field validation on failure.
* Tweak – WC tested up to 7.1.
* Tweak – Bump minimum WP version to 5.6.
* Tweak – Bump minimum PHP version to 7.0.
* Tweak – Bump minimum WC version to 6.0.
* Tweak – Simplified notices text.
* Dev – Update node version from 8.9.3 to 16.13.0.
* Dev – Update npm version from 5.5.1 to 8.0.0.