Docs: Correct `@return` description for `wp_count_posts()`.

Add a note that `wp_count_posts()` returns an empty object if the post type passed to the function does not exist.

Follow-up to [6730], [6808], [8081], [24826], [29093], [51885].

Props crstauf, Ov3rfly.
Fixes #58685.
Built from https://develop.svn.wordpress.org/trunk@56120


git-svn-id: http://core.svn.wordpress.org/trunk@55632 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post.php

@@ -3034,7 +3034,8 @@ function _count_posts_cache_key( $type = 'post', $perm = '' ) {
  *
  * @param string $type Optional. Post type to retrieve count. Default 'post'.
  * @param string $perm Optional. 'readable' or empty. Default empty.
- * @return stdClass Number of posts for each status.
+ * @return stdClass An object containing the number of posts for each status,
+ *                  or an empty object if the post type does not exist.
  */
 function wp_count_posts( $type = 'post', $perm = '' ) {
 	global $wpdb;

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-beta2-56119';
+$wp_version = '6.3-beta2-56120';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.