Update about-requirements.php (#364)

Change minimum MYSQL version, as per https://core.trac.wordpress.org/changeset/57173

source/wp-content/themes/wporg-main-2022/patterns/about-requirements.php

@@ -46,7 +46,7 @@
 <!-- wp:paragraph -->
 <p><?php
 /* translators: [minimum_php] is a shortcode and should not be translated. */
-_e( 'Note: If you are in a legacy environment where you only have older PHP or MySQL versions, WordPress also works with PHP [minimum_php]+ and MySQL 5.0+, but these versions have reached official End Of Life and as such <strong>may expose your site to security vulnerabilities</strong>.', 'wporg' ); ?></p>
+_e( 'Note: If you are in a legacy environment where you only have older PHP or MySQL versions, WordPress also works with PHP [minimum_php]+ and MySQL 5.5.5+, but these versions have reached official End Of Life and as such <strong>may expose your site to security vulnerabilities</strong>.', 'wporg' ); ?></p>
 <!-- /wp:paragraph -->
 
 <!-- wp:heading -->