Docs: Add missing descriptions for `WP_List_Table::get_items_per_page()` parameters.

Follow-up to [53039].

Props jrf, aristath, poena, justinahinon, SergeyBiryukov.
See #54729, #55327.
Built from https://develop.svn.wordpress.org/trunk@53040


git-svn-id: http://core.svn.wordpress.org/trunk@52629 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-list-table.php

@@ -823,8 +823,8 @@ class WP_List_Table {
 	 *
 	 * @since 3.1.0
 	 *
-	 * @param string $option
-	 * @param int    $default_value
+	 * @param string $option        User option name.
+	 * @param int    $default_value Optional. The number of items to display. Default 20.
 	 * @return int
 	 */
 	protected function get_items_per_page( $option, $default_value = 20 ) {

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-53039';
+$wp_version = '6.0-alpha-53040';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.