Add user last seen information

security.php

@@ -16,6 +16,13 @@
 require_once __DIR__ . '/security/login-error.php';
 require_once __DIR__ . '/security/password.php';
 
+if ( defined( 'VIP_SECURITY_INACTIVE_USERS_ACTION' ) ) {
+	require_once __DIR__ . '/security/class-user-last-seen.php';
+
+	$last_seen = new \Automattic\VIP\Security\User_Last_Seen();
+	$last_seen->init();
+}
+
 use Automattic\VIP\Utils\Context;
 
 define( 'CACHE_GROUP_LOGIN_LIMIT', 'vip_login_limit' );