WooCommerce Square Payment Gateway 4.6.1

* Add - Support for Square Gift Cards as single form of payment on an order.
* Dev - Bump WooCommerce minimum supported version from 6.0 to 6.8.
* Fix - Allow update product inventory in quick edit mode if "Sync Inventory" is disabled.
* Fix - Correct documentation link in the error message when `opcache.save_comments` is disabled.
* Fix - Issue with Apple Pay domain registration.
* Fix - Issue with sync caused due to incorrect data type.
* Fix - Modified Order Totals wrongly captured in Square with Authorization.
* Fix - Orders are now captured as per the WooCommerce settings to include/exclude the tax amount in prices.
* Fix - Saved card payment issue in block-based checkout.
* Tweak - WC 7.5.0 compatibility.
* Tweak - WP 6.2.0 compatibility.

* Add - Make saving credit cards optional for subscription products.
* Add - Support for Woo to Square sync of variable products with multiple attributes when Woo is set as SOR.
* Add - Attribution for SkyVerge as per GPL 3.0 and clarify GPLv3-or-later as extension license.
* Fix - Auto-renewal issue for guest users when trying to purchase subscription products.
* Fix - Checkout when a country does not have list of states.
* Fix - Display all error messages during Checkout instead only the first one.
* Fix - Error caused due to accessing method on `null` while creating or updating an order.
* Fix - Incorrect inventory value when stock status value is not equal to `IN_STOCK`.
* Fix - Incorrect stock information in Woo during sync when the inventory is not tracked in Square.
* Update - Bump WooCommerce "tested up to" from 7.1 to 7.3.
* Update - Bump WordPress version "tested up to" from 6.0 to 6.1.
* Update - Upgrade Square PHP SDK from 19.0.1.20220512 to 24.0.0.20221116.
* Update - Bump minimum required PHP version from 7.2 to 7.4 due to Square PHP SDK requirement.

* Fix - Apple Pay button disabled and infinitely loading.
* Fix - Fatal error "Call to a member function getPayment() on null".