WooCommerce Groups 2.11.0

* WordPress 6.0 compatible.
* WooCommerce 6.7 compatible.
* Requires at least WooCommerce 5.8.
* Removed support for deprecated admin actions.
* Fixed code formatting, quality and documentation issues.
* Replaced use of deprecated order retrieval methods.

* WordPress 5.9 compatible.
* WooCommerce 6.2 compatible.
* Fixed a fatal error produced when WooCommerce is deactivated.
* Updated documentation URLs.
* Added plugin action links.
* Updated extensions section.
* Sorting products by group memberships added and removed, including from their variations (versus only by groups added).

* WordPress 5.8 compatible.
* WooCommerce 5.9 compatible.
* Requires at least WooCommerce 5.5.
* Revised the Products section to also show groups assigned via variations on variable products.
* Revised administrative sections and styles.
* Moved inline styles to stylesheets and added minified versions.