WooCommerce Sequential Order Numbers Pro 1.21.3

* Fix - Developer helper method `find_order_by_order_number()` not returning correct results when HPOS is enabled

* Fix - Update deprecated usage of `wcs_renewal_order_meta` in favor of `wc_subscriptions_renewal_order_data`
* Dev - Allow third parties to filter the query to generate an order number

Fix - Use `wc_get_orders` to query orders in the lifecycle install script to avoid issues with HPOS

* Misc - Add support for the WooCommerce Checkout block
* Dev - Checkout block draft orders are considered auto-drafts for the purposes of sequential order numbers