* Add filter for certificate file location

* Fix – Resolve bug when deleting a saved credit card
* Misc – Update SkyVerge Plugin Framework to 5.10.15
* Misc – Require PHP 7.4 and WordPress 5.6

* WordPress 6.1 compatible.
* WooCommerce 7.4 compatible.

* 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.

* Add – Variations support for Deposits.
* Add – Display deposit payment description for payment plan deposit products.