WooCommerce Nested Category Layout 1.20.3

* Fix - Address `wc_enqueue_js()` deprecation warnings
* Misc - Updated the SkyVerge Plugin Framework to v6.2.2

* Fix - "Translations loaded too early" error
* Misc - Tested up to WooCommerce 10.2
* Misc - Updated the SkyVerge Plugin Framework to v5.15.12
* Misc - Improve escaping and sanitizing throughout codebase

* Fix - Ensure that WooCommerce attribute filters would work consistently with the nested category layout template

* Tweak - Do not display categories that have no products in the nested category content template
* Fix - Ensure to use `remove_action` instead of `remove_filter` with `woocommerce_product_query`
* Fix - Bail from applying filters in the main search query
* Fix - Suppress the WooCommerce loop template on pages managed by the plugin to avoid empty HTML elements
* Misc - Code hardening and improvements
* Dev - Add new actions and filters, and update filter parameters in the main nested category content template

* Misc - Add compatibility for WooCommerce High Performance Order Storage (HPOS)

* Fix - Improve compatibility with WP filters

* Misc - Require PHP 7.4 and WordPress 5.6

* Fix - Additional compatibility fixes

* Fix - Ensure WooCommerce products sorting is properly handled when visiting product tag archives and sorting products

* Fix - Ensure products tag archives are correctly output