Release new version 2.4.2

= 2.4.2 - 2020/07/20 =
* This maintenance release has a performance tweak, plus compatibility with WordPress 5.4.2, Gutenberg 8.5.1 and WooCommerce 4.3.0
* Tweak - Reduce the block scripts on first load in the Gutenberg Editor
* Tweak - Test for compatibility with WordPress 5.4.2
* Tweak - Test for compatibility with WooCommerce 4.3.0
* Tweak - Test for compatibility with Gutenberg 8.5.1

Author: alextuan