refs #23304 [fid] added <h1> to my-orders / order-list.phtml for accessiblity reasons

themes/fid/templates/fid/order/order-list.phtml

 <!-- fid: fid - order - list -->
+<h1><?=$this->transEsc('Your Orders')?></h1>
 <?php if (empty($orders)): ?>
   <?=$this->translate('fid::user_orders_empty')?>
 <?php else: ?>