Fix incorrect default sort as label on Packages page

Author: Kristan Kenney

web/templates/admin/list_packages.html

@@ -12,7 +12,7 @@
         <table>
           <tr>
             <td class="sort-by">
-                <?=__('sort by');?>: <span><b><?=__('Package Name')?> <i class="fas fa-sort-amount-down"></i></b></span>
+                <?=__('sort by');?>: <span><b><?=__('Date')?> <i class="fas fa-sort-amount-down"></i></b></span>
             </td>
             <td>
               <form action="/bulk/package/" method="post" id="objects">