monitoring/show: choose fitting header tags

modules/monitoring/application/views/scripts/show/components/comments.phtml

@@ -75,11 +75,11 @@ if (isset($delCommentForm)) {
 
  ?>
 	    <li class="comment-item">
-	    	<h4>
+	    	<h3>
 		    	<span class="author"><?= $this->escape($comment->author) ?></span>
 		    	<?= $this->timeAgo($comment->timestamp) ?>
                 <?= $deleteButton ?>
-		    </h4>
+		    </h3>
 		    <p><span class="sr-only">(<?= $this->translate('Comment'); ?>): </span><?= str_replace(array('\r\n', '\n'), '<br>', $commentText) ?></p>
          </li>
  <?php endforeach ?>

modules/monitoring/application/views/scripts/show/components/customvars.phtml

@@ -1,6 +1,6 @@
 <tr class="newsection">
     <td colspan="2">
-        <h4 class="customvar"><?= $this->translate('Custom variables') ?></h4>
+        <h2 class="customvar"><?= $this->translate('Custom variables') ?></h2>
     </td>
 </tr>
 <?php

modules/monitoring/application/views/scripts/show/components/output.phtml

@@ -1,5 +1,5 @@
 <div class="pluginoutput">
-  <h4><?= $this->translate('Plugin Output') ?></h4>
+  <h2><?= $this->translate('Plugin Output') ?></h2>
   <?= $this->pluginOutput($object->output) ?>
   <?= $this->pluginOutput($object->long_output) ?>
 </div>