Update default.html

Update current year

Author: sneakernuts

_layouts/default.html

@@ -33,7 +33,7 @@ <h2>{{page.title}}</h2>
     {{ content }}
 
     <address>
-      ©&nbsp;2005-2023 The&nbsp;gPodder&nbsp;Team
+      ©&nbsp;2005-2025 The&nbsp;gPodder&nbsp;Team
       &middot; <a href="https://github.com/gpodder/gpodder.github.io/edit/master/{{page.path}}">Edit this page on GitHub</a>
     </address>
   </div>