Coding Standards: Escape the home URL in the "Background updated. Visit your site" message.

This affects `Custom_Background::admin_page()`.

Follow-up to [13041], [45662], [53642].

Props robinwpdeveloper, sajjad67, rudlinkon, hztyfoon, costdev.
Fixes #56133.
Built from https://develop.svn.wordpress.org/trunk@53643


git-svn-id: http://core.svn.wordpress.org/trunk@53202 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-custom-background.php

@@ -250,7 +250,7 @@ class Custom_Background {
 	<p>
 			<?php
 			/* translators: %s: Home URL. */
-			printf( __( 'Background updated. <a href="%s">Visit your site</a> to see how it looks.' ), home_url( '/' ) );
+			printf( __( 'Background updated. <a href="%s">Visit your site</a> to see how it looks.' ), esc_url( home_url( '/' ) ) );
 			?>
 	</p>
 </div>

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53642';
+$wp_version = '6.1-alpha-53643';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.