Update copyright year in 404.html to 2025

Author: hardalgorithm

404.html

@@ -105,7 +105,7 @@ <h1>404</h1>
             <footer class="footer">
                 <div class="footer__inner">
                     <div class="footer__content">
-                        <span>&copy; 2024</span>
+                        <span>&copy; 2025</span>
                         <span>Concerned App</span>
                     </div>
                 </div>