WooCommerce Bookings 2.2.0

* Add - Ability to filter returned Bookings by `date_start_before` / `date_end_after`.
* Fix - If an error occurs, return `WP_Error` object instead of an error message in the `prepare_object_for_database` method.
* Fix - Ensure that bookings work correctly with the checkout block and that no duplicate bookings are created.
* Dev - Bump WordPress "tested up to" version 6.7.

* Fix - Conflict with Sequential Order Numbers Pro extension leading to fatal error in PHP 8.0+.

* Add - Bookings section in My Account now includes breadcrumb heading.
* Fix - Prevent fatal error editing block cart and checkout pages when using WooPayments Express Pay buttons.
* Fix - Booking status now updates correctly from "In cart" to "Paid" or "Unpaid" after order status changes from "Failed" to "Processing" or "Completed".
* Dev - Bump WooCommerce "tested up to" version 9.4.
* Dev - Bump WooCommerce minimum supported version to 9.2.
* Dev - Bump WordPress minimum supported version to 6.5.
* Dev - Added an E2E test for booking availability with a buffer.