YITH WooCommerce One-Click Checkout Premium 1.34.0

* New: Support for WooCommerce 4.6.x
* Update: Plugin framework
* Update: Languages files
* Dev: New filter 'yith_wocc_check_shipping_available'

* New: Support for WooCommerce 4.5.x
* Update: Plugin framework
* Update: Languages files

* New: Support for WooCommerce 4.4
* New: Support for WordPress 5.5
* New: Integration with YITH Proteo theme
* Update: Plugin framework
* Update: Languages files
* Fix: Error on process customer custom address
* Dev: New filter 'yith_wocc_is_shipping_available'