Back In Stock Notifications for WooCommerce 3.3.3

* Tweak - Replaced wc_enqueue_js with wp_add_inline_script according to the recommended WordPress core script patterns.
* Tweak - Bumped WordPress tested up to version to 6.9.
* Tweak - Bumped WooCommerce tested up to version to 10.4.

* Tweak - Updated plugin authors and contributors.

Fix - Improved accessibility.

* Dev - Removed deprecated WC_BIS_Core_Compatibility::wc_current_theme_is_fse_theme.

New - Added compatibility with WordPress 6.7.

* Fix - Fixed fatal error in own version of WP_Background_Process.

* Tweak - Updated version of @somewherewarm/selectsw dependency to include updated styling.
* Tweak - Removed navigation integration (deprecated WooCommerce feature).
* New - Tested up to WooCommerce v9.2.

* Important - New: PHP 7.4+ is now required.
* Important - New: WooCommerce 8.2+ is now required.
* Important - New: WordPress 6.2+ is now required.
* Important - Removed all previously deprecated code
* Fix - Included own copy of WP_Background_Process library to avoid conflicts with other plugins.

* New - Introduced support for the new Product Editor.
* Fix - Resolved an issue that prevented admin notices from showing up.

New - Added compatibility with PHP 8.3.