Plugins: Add focus style to plugin icon link in plugin cards.

This change adds a blue focus outline to the icon on plugin cards, for consistency with the text part of the link.

Props hitendra-chopda, SergeyBiryukov, afercia, themattroyal, imokol, sabernhardt, audrasjb.
Fixes #45209.

Built from https://develop.svn.wordpress.org/trunk@52790


git-svn-id: http://core.svn.wordpress.org/trunk@52379 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/common-rtl.css

@@ -271,6 +271,7 @@ a:active {
 
 a:focus,
 a:focus .media-icon img,
+a:focus .plugin-icon,
 .wp-person a:focus .gravatar {
 	color: #043959;
 	box-shadow:

wp-admin/css/common.css

@@ -270,6 +270,7 @@ a:active {
 
 a:focus,
 a:focus .media-icon img,
+a:focus .plugin-icon,
 .wp-person a:focus .gravatar {
 	color: #043959;
 	box-shadow:

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-52789';
+$wp_version = '6.0-alpha-52790';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.