Docs: Replace Codex URL with a corresponding HelpHub article in the Additional CSS section in Customizer.

Follow-up to [45674-45677], [46740], [49912].

Props stevenlinx, audrasjb.
Fixes #55710. See #48987.
Built from https://develop.svn.wordpress.org/trunk@53393


git-svn-id: http://core.svn.wordpress.org/trunk@52982 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-customize-manager.php

@@ -5673,7 +5673,7 @@ final class WP_Customize_Manager {
 		$section_description .= __( 'Add your own CSS code here to customize the appearance and layout of your site.' );
 		$section_description .= sprintf(
 			' <a href="%1$s" class="external-link" target="_blank">%2$s<span class="screen-reader-text"> %3$s</span></a>',
-			esc_url( __( 'https://codex.wordpress.org/CSS' ) ),
+			esc_url( __( 'https://wordpress.org/support/article/css/' ) ),
 			__( 'Learn more about CSS' ),
 			/* translators: Accessibility text. */
 			__( '(opens in a new tab)' )

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53392';
+$wp_version = '6.1-alpha-53393';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.