fix PHPCS issues

Author: pfefferle

includes/class-hcard-author-widget.php

@@ -6,6 +6,7 @@ function indieweb_register_hcard() {
 	register_widget( 'HCard_Author_Widget' );
 }
 
+// phpcs:ignore Universal.Files.SeparateFunctionsFromOO.Mixed
 class HCard_Author_Widget extends WP_Widget {
 	/**
 	 * Register widget with WordPress.

readme.md

@@ -4,7 +4,7 @@
 **Tags:** indieweb, webmention, POSSE, indieauth  
 **Requires at least:** 4.7  
 **Requires PHP:** 5.6  
-**Tested up to:** 6.3   
+**Tested up to:** 6.3  
 **Stable tag:** 4.0.1  
 **License:** MIT  
 **License URI:** http://opensource.org/licenses/MIT