* Fix-Address a fatal error that occurs in environments running PHP 7.2 or lower

* Localization-Add Russian translation (thanks to Paley)

* WordPress 5.8 compatible.
* WooCommerce 5.9 compatible.
* Requires at least WooCommerce 5.5.
* Added the woocommerce_product_search_use_engine filter.
* Added compatibility with the WooCommerce Composite Products extension (skip handling its AJAX requests).

Fix: Some specific setups for variations were not sending out Mailouts incorrectly

* New: Tested upto WooCommerce 5.9.0
* New: Tested upto WordPress 5.8.1
* Update: POT file

* Card icon CSS

* Feature-Added compatibility with PayPal Payments to hide quick pay buttons in Bundle product pages.
* Dev-Added ‘woocommerce_bundles_after_bundled_item_price’ action hook.
* Fix-Prevent infinite max Bundle price when the max Bundle quantity is capped.
* Fix-Trigger ‘woocommerce_bundled_cart_item_removed’ when a bundled item is removed from the cart.

* IMPROVED: CSS in Redsys redirection checkout.
* FIXED: Some notices.
* FIXED: Version 17.0.0 has some problems with some servers with mod_security active. This version fixes all these problems.
* FIXED: There was one PHP open tag, and this make problems on some servers.

* WordPress 5.8 compatible.
* WooCommerce 5.8 compatible.
* Updated translations.