Update dependency anchor-js to v5

Author: renovate[bot]

pages-layout/_layouts/default.html

@@ -28,7 +28,7 @@ <h1><img src="{{ '/assets/images/logo_riege-software-small.svg' | relative_url }
             </p>
         </div>
     </div>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/4.1.1/anchor.min.js" integrity="sha512-aZotBPy6dqn8yVaLJwSrkJ+QxuxV695A4dgodAMvTU5JyNi5mhrr+LeaD3GSS+lx1SMFKNs0tu5ZMJEgNZQP2Q==" crossorigin="anonymous"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/5.0.0/anchor.min.js" integrity="sha512-byAcNWVEzFfu+tZItctr+WIMUJvpzT2kokkqcBq+VsrM3OrC5Aj9E2gh+hHpU0XNA3wDmX4sDbV5/nkhvTrj4w==" crossorigin="anonymous"></script>
     <script>anchors.add();</script>
   </body>
 </html>