Cron API: Use `WEEK_IN_SECONDS` constant for the `weekly` schedule added in [47062].

Props afercia.
See #47606.
Built from https://develop.svn.wordpress.org/trunk@47068


git-svn-id: http://core.svn.wordpress.org/trunk@46868 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/cron.php

@@ -825,7 +825,7 @@ function wp_get_schedules() {
 			'display'  => __( 'Once Daily' ),
 		),
 		'weekly'     => array(
-			'interval' => 7 * DAY_IN_SECONDS,
+			'interval' => WEEK_IN_SECONDS,
 			'display'  => __( 'Once Weekly' ),
 		),
 	);

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-alpha-47067';
+$wp_version = '5.4-alpha-47068';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.