update HTMLDialogElement constructor versions for Opera/Safari

Author: erkde

docs/index.html

@@ -217,8 +217,8 @@ <h1>GitHub Feature Support Table</h1>
             <td data-supported="true"><div>37+</div></td>
             <td data-supported="true"><div>79+</div></td>
             <td data-supported="true"><div>98+</div></td>
-            <td data-supported="true"><div>24+</div></td>
             <td data-supported="true"><div>15.4+</div></td>
+            <td data-supported="true"><div>24+</div></td>
             <td data-supported="true"><div>4.0+</div></td>
           </tr>
           <tr>