Update copyright year to 2024

Author: Crustan

index.html

@@ -391,7 +391,7 @@ <h1>Hello World</h1>
         <a href="https://linkedin.com/in/christiansoderberg/">LinkedIn</a>
         <a href="https://github.com/Crustan">GitHub</a>
         <a href="mailto:[email protected]">Email</a>
-        <span class="copyright">© 2023 Christian Söderberg</span>
+        <span class="copyright">© 2024 Christian Söderberg</span>
       </footer>
     </div>
     <script>