WooCommerce Pre-Orders 2.2.6

* Fix - Block errors while editing the Cart and Checkout pages.
* Dev - Added E2E tests for the "Enable pre-orders for products that get out of stock" setting.
* Dev - Bump WooCommerce "tested up to" version 8.5.
* Dev - Bump WooCommerce minimum supported version to 8.3.
* Dev - Bump WordPress minimum supported version to 6.3.

2.0.8

2.0.7