YITH Easy Login & Register Popup For WooCommerce 1.42.0

* New: Support for WooCommerce 4.5.x
* Update: Plugin framework
* Update: Language files

* New: Support for WooCommerce 4.2
* Update: Plugin framework
* Update: Language files
* Fix: Wrong redirect for social login in additional popup
* Dev: New filter 'yith_welrp_guest_checkout_label'

* New: Support for WooCommerce 4.1
* New: Support for WordPress 5.4.1
* New: Support for XT WooCommerce Floating Cart plugin by XplodedThemes
* Update: Plugin framework
* Update: Language files
* Fix: Hide "checkout as guest button" in additional popup
* Fix: Social login button click failing under certain conditions
* Dev: New filter 'yith_welrp_lost_password_text'
* Dev: New filter 'yith_welrp_script_main_selectors