Update link to PTO mana page

Current link is US only. New link is useful for all countries

templates/edit.php

@@ -4,7 +4,7 @@
 	
     <p>Hello, <?php echo email_to_alias($notifier_email) ?>. 
     <?php echo $is_editing ? 'Edit' : 'Submit' ?> your PTO notification here. 
-    (<a href="https://mana.mozilla.org/wiki/pages/viewpage.action?pageId=33100583">Learn about PTO</a>)</p>
+    (<a href="https://mana.mozilla.org/wiki/pages/viewpage.action?pageId=109979676">Learn about PTO</a>)</p>
 
 	<?php
 		if ($aErrors) {