WooCommerce Per Product Shipping / Shipping Per Product 2.6.9

* Tweak - WooCommerce 10.0 Compatibility.

* Tweak - WooCommerce 9.9 Compatibility.

* Update Requires headers for WooCommerce compatibility.
* Update to ubuntu-latest to fix QIT tests.

* Tweak - WordPress 6.7 compatibility.

* Tweak - WordPress 6.6 and WooCommerce 9.0 compatibility.

Update - Security Update.

Update - Security Update.

* Add - Option to ignore the free shipping and local pickup shipping method.
* Tweak - Increase allowed state code max length.

* Add - Country code validation.

* Add - Declared High-Performance Order Storage (HPOS) compatibility.