Docs: Update AJAX in Plugins HelpHub link to avoid unnecessary redirection.

Follow-up to [17045], [20713], [41065], [45674], [55412], [57854], [58131], [58132].

Props shailu25.
See #60732, #60699.
Built from https://develop.svn.wordpress.org/trunk@58672


git-svn-id: http://core.svn.wordpress.org/trunk@58074 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/admin-ajax.php

@@ -5,7 +5,7 @@
  * @package WordPress
  * @subpackage Administration
  *
- * @link https://codex.wordpress.org/AJAX_in_Plugins
+ * @link https://developer.wordpress.org/plugins/javascript/ajax
  */
 
 /**

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-58671';
+$wp_version = '6.7-alpha-58672';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

wp-settings.php

@@ -715,7 +715,7 @@ if ( is_multisite() ) {
  * Ajax requests should use wp-admin/admin-ajax.php. admin-ajax.php can handle requests for
  * users not logged in.
  *
- * @link https://codex.wordpress.org/AJAX_in_Plugins
+ * @link https://developer.wordpress.org/plugins/javascript/ajax
  *
  * @since 3.0.0
  */