WooCommerce Products Compare 1.4.2

* Fix - Fixed compare button being missing when using the product collection on custom pages
* Misc - Require PHP 7.4 or newer

* Tweak - Change plugin name to Products Compare for WooCommerce
* Tweak - Update brand to Kestrel

* Feature - Declare compatibility with the WooCommerce Cart and Checkout blocks.
* Tweak - Updated the plugin URLs to the new woo.com domain.
* Tweak - Tested compatibility up to WC 8.5.
* Dev - Dropped class aliases for the old plugin namespace `Themesquad\WC_Products_Compare`.
* Dev - Updated the minimum requirements to WC 4.0, WP 5.0 and PHP 7.0.

* Feature - Added template to customize the 'Products compare' widget content.
* Tweak - Tested compatibility up to WC 8.2.
* Tweak - Tested compatibility up to WP 6.4.
* Fix - Fixed 'Template Overrides' info in the 'System Status Report'.
* Dev - Added filter hook `woocommerce_products_compare_selected_products`.
* Dev - Refactored widget class by extending the class `WC_Widget`.
* Dev - Deprecated class `WC_Products_Compare_Widget`.
* Dev - Changed the plugin namespace to `KoiLab\WC_Products_Compare`.
* Dev - Updated the minimum requirements to WC 3.7, WP 4.9, and PHP 5.6.

* Tweak - Added compatibility with WooCommerce High-Performance Order Storage.
* Tweak - Added links to the documentation page and to get support in the plugin list.
* Tweak - Updated plugin author.
* Tweak - Tested compatibility up to WC 7.4.
* Tweak - Tested compatibility with WP 6.1.
* Dev - Implement the singleton pattern in the main plugin class.
* Dev - Updated the minimum requirements to WC 3.5, WP 4.7, and PHP 5.4.