Docs: Update the `@since` note for `_media_states()`.

Follow-up to [49223].

Props mukesh27.
Fixes #42063.
Built from https://develop.svn.wordpress.org/trunk@49231


git-svn-id: http://core.svn.wordpress.org/trunk@48993 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/template.php

@@ -2237,7 +2237,7 @@ function get_post_states( $post ) {
  * Outputs the attachment media states as HTML.
  *
  * @since 3.2.0
- * @since 5.6.0 Added the `$echo` parameter.
+ * @since 5.6.0 Added the `$echo` parameter and a return value.
  *
  * @param WP_Post $post The attachment post to retrieve states for.
  * @param bool    $echo Optional. Whether to echo the post states as an HTML string. Default true.

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-alpha-49230';
+$wp_version = '5.6-alpha-49231';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.