use logos from www.w3.org

Author: jean-gui

design-system-templates/components/header-new-logo-v2.html.twig

@@ -13,7 +13,7 @@
 		<div class="global-nav__inner l-center">
 			<a class="logo-link" href="/">
                 <span class="logo">
-                    <img src="/dist/assets/images/w3c-logo-letters.png" alt="W3C" role="img"/>
+                    <img src="https://www.w3.org/assets/logos/w3c-2025/svg/w3c-letters.svg" alt="W3C" role="img"/>
                 </span>
 				<span class="visuallyhidden">Visit the W3C homepage</span>
 			</a>

design-system-templates/components/header-new-logo.html.twig

@@ -13,7 +13,7 @@
 		<div class="global-nav__inner l-center">
 			<a class="logo-link" href="/">
                 <span class="logo">
-                    <img class="logo logo--circle" src="/dist/assets/images/w3c-logo-full.png" alt="World Wide Web Consortium" role="img"/>
+                    <img class="logo logo--circle" src="https://www.w3.org/assets/logos/w3c-2025/svg/w3c.svg" alt="World Wide Web Consortium" role="img"/>
                 </span>
 				<span class="visuallyhidden">Visit the W3C homepage</span>
 			</a>