Automate WooCommerce 6.0.20

* Dev - Add PHP Code coverage report as GitHub action.
* Fix - Missed import references.
* Fix - Remove undesired margin top in WP Admin when AutomateWoo is installed.

* Add - Endpoint for unmarking conversions.
* Add - In case AW user is unsubscribed. Update AW user to subscribed when MailPoet user is subscribed.
* Add - Migrate Report pages to React-based WooCommerce Analytics. And REST endpoints. Prepare for HPOS.
* Add - Unsubscribe from MailPoet lists when user opted-out in AutomateWoo.
* Add - conversion list table.
* Add - dashboard widgets that use Analytics REST API.
* Add- empty class param preventing PHP NOTICE undefined index.
* Dev - Allow selective externalizing from otherwise opted-out packages.

* Add - Added "Student Added To the Group" trigger.
* Add - Added "Student Removed From the Group" trigger.
* Add - Added `group.id` & `group.title` variables.
* Add - Composite Products, Product Bundles compatibility with abandoned carts (updated versions of both Extensions required).
* Add - MailPoet Integration (Add and Remove Subscribers from lists).
* Add - Sensei LMS Integration.
* Dev - Unit testing for MailPoet Integration.
* Tweak - PHP 8.1 compatibility detected during unit test runs.