WooCommerce Tarification Table Shipping 3.6.3

* Tweak - WooCommerce 9.9 compatibility.

* Update Requires headers for WooCommerce compatibility.

* Tweak - WooCommerce 9.7 compatibility.

* Tweak - PHP 8.4 compatibility.

* Tweak - Using namespace for new classes.

* Tweak - WordPress 6.6 and WooCommerce 9.0 compatibility.

* Add - Abort messages compatibility with cart and checkout blocks.

* Fix - Adjust conflicting rate notices to be non-persistent and less ominous.
* Tweak - WordPress 6.5 compatibility.

* Add - Flag conflicting rates in the table.

Fix - Shipping rates are not displayed when calculating per shipping class