WooCommerce Amazon S3 Storage 2.7.1

* Misc - Update brand to Kestrel

* Feature - Declare compatibility with the WooCommerce Cart and Checkout blocks.
* Tweak - Added new S3 region 'il-central-1' (Tel Aviv) to the list.
* Tweak - Updated the plugin URLs to the new woo.com domain.
* Tweak - Updated plugin author.
* Tweak - Tested compatibility up to WC 8.3.
* Tweak - Tested compatibility up to WP 6.4.
* Dev - Changed the plugin namespace to `KoiLab\WC_Amazon_S3_Storage`.
* Dev - Dropped deprecated code up to version 2.5.

* Tweak - Force the 'Redirect only' download method on S3 files.
* Tweak - Added new S3 region 'ap-southeast-4' (Melbourne) to the list.
* Tweak - Escape the shortcode returned values.
* Tweak - Sanitize input values when generating the file download path.
* Tweak - Tested compatibility up to WC 7.9.

* Tweak - Updated the recommended privacy policy texts.
* Tweak - Adapted the database migration script for version 2.0.0 to the recent WooCommerce versions.
* Tweak - Added a database migration script to expire the region transients for versions lower than 2.1.5.
* Tweak - Tested compatibility with WC 7.4.
* Fix - Update the plugin version in the options table on activation.
* Dev - New plugin updater.
* Dev - Initialize the plugin when the main file is loaded.
* Dev - Updated the minimum requirements to WC 3.7, WP 4.9, and PHP 5.6.

* Fix - Fixed incorrect download ID value when adding files with the S3 wizard.

* Tweak - Limit the maximum value of the 'URL expiration time' setting to seven days.
* Tweak - Tested compatibility with WC 7.3.

* Tweak - Added new S3 regions to the list.
* Tweak - Updated plugin author.
* Tweak - Tested compatibility with WC 7.2.
* Fix - Fixed endpoint for the 'ca-central-1' region. Canada (Central).

* Feature - Enabled the S3 files wizard for the product variations.

* Tweak - Use the standard endpoint in all S3 regions when generating the file URLs.
* Tweak - Updated wizard fields' description.
* Fix - Fixed the URLs of the downloadable files stored in a bucket whose name contains dots.

* Feature - Added wizard to add and edit the S3 files of a downloadable product.
* Tweak - Declare compatibility with WooCommerce High-Performance Order Storage (HPOS).
* Tweak - Tested compatibility with WC 7.1.
* Tweak - Tested compatibility with WP 6.1.
* Dev - Dropped deprecated template 'settings.php'.