[wg/png] logo markup from template

Author: svgeesus

2025/png-wg.html

@@ -66,7 +66,7 @@
         </ul>
       </aside>
       <p>
-        <a href="https://www.w3.org/"><img alt="W3C" height="48" src="https://www.w3.org/Icons/w3c_home" width="72"></a>
+        <a href="https://www.w3.org/"><img alt="W3C" height="120" src="https://www.w3.org/assets/logos/w3c-2025/svg/w3c.svg" width="120"></a>
       </p>
     </header>