WooCommerce Square Payment Gateway 4.8.4

* Add - Support for splitting payments between a Square Gift Card and a Credit Card.
* Add - Sync Health Check action to start stuck sync jobs.
* Fix - Hide the "Sync with Square" meta fields when the product type is not simple or variable.
* Fix - Incorrect inventory sync when the inventory is not tracked in Square.
* Fix - Issue with WooCommerce Import CSV not automatically assigning columns when Square is active.
* Fix - Product Images not syncing from Square to WooCommerce.
* Fix - Refresh connection with Square during "UNAUTHORIZED" API error.
* Fix - Update sync interval properly updates the interval of scheduled action.
* Tweak - Added synced products/categories count in the complete step job logs.
* Tweak - Fix PHPCS issues and semgrep warnings.
* Tweak - WC 7.8.0 compatibility.

* Dev - Bump WooCommerce "tested up to" version 7.6.
* Dev - Bump WordPress minimum supported version from 5.6 to 5.8.
* Dev - Ignore false positives for phpcs nonce check.
* Fix - Incorrect inventory value for product import.
* Update - Migrate Payment Tokens from user meta to WC_Payment_Tokens to support card expiry alerts through Automate Woo and also to align with WooCommerce Core.

* 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.