The db update routine that updates the db version should be the last one

This commit simply changes the order of the database update callbacks
for WC 4.0 to make sure that wc_update_400_db_version is the last one.

includes/class-wc-install.php

@@ -145,8 +145,8 @@ class WC_Install {
 		'4.0.0' => array(
 			'wc_update_product_lookup_tables',
 			'wc_update_400_increase_size_of_column',
-			'wc_update_400_db_version',
 			'wc_update_400_reset_action_scheduler_migration_status',
+			'wc_update_400_db_version',
 		),
 	);