Easy Digital Downloads Reviews - V2.2.2

* Fix: Voting on a review now shows the updated vote information.

* Fix: Votes increment as expected.

* Fix: Votes on a review are now being stored correctly in the database.

* Fix: Front end input fields no longer set an explicit size attribute.

* Refactor: Voting, API, asset loading, and settings functions have been moved to individual classes.

* Dev: Class properties are now explicitly, rather than dynamically, declared.

* Refactor: The settings page has been moved to the "Marketing" tab on EDD 2.11.4 and higher.

* Fix: Sorting on admin "Reviews" page not working.

* Fix: Reviews order not working as expected.

* Fix: Activation not running on new installs.

* Dev: Refactor how plugin licensing is instantiated.

* Notice: Minimum PHP version set to 5.6.

* New: Added a block for embedding a review in the block editor.

* New: Added an option to customize the order reviews appear. (Newest first or oldest first.)

* New: Added an option to change the number of reviews shown per page on the admin table.

* New: Added new options to the "When to send?" setting ("2 weeks" and "1 month").

* New: You can now customize the subject for the "Request a Review" email.

* Improvement: Review row actions have been updated to provide better clarity and contextual actions.

* Improvement: Updated the email tag label formatting.

* Improvement: Reviews Widget - Review titles now link to the review.

* Improvement: Added better support for disabling the JSON-LD markup via custom code. (We now check if the data is empty, and if so, do not output the script tags.)

* Fix: Google schema warning due to missing "Review" field.

* Fix: Database upgrade notice shows on new installs.

* Fix: Admin "Approved Reviews" list displaying reviews that haven't been approved.

* Fix: Fatal error on certain admin pages when using PHP 8.

* Fix: Undefined variable `$number`.

* Fix: All reviews showing up on admin "Recent Reviews" dashboard widget.

* Fix: Stray closing div tag on reviews admin table.

* Dev: Use `edd_has_user_purchased()` function when on EDD 3.0+.

* Modified templates: `shortcode-vendor-feedback.php`

* Dev: Compatibility with EDD 3.0.

* EDD 3.0: Update reports to use new 3.0 API.

* Fix: Undefined index error when replying to a comment via the admin page.

* Fix: Prevent unnecessary queries from running on every page.

* Fix: Star ratings not displaying on front-end if CSS is disabled.