Update footer.html

Update time stamp

Author: mark0-cn

_includes/footer.html

@@ -1,7 +1,7 @@
 <footer class="hyper-footer col-md-12">
     <div class="container">
         <div class="row">
-            <div class="col-sm-6 text-center text-sm-start text-muted">&copy; 2023 hyper</div>
+            <div class="col-sm-6 text-center text-sm-start text-muted">&copy; 2024 hyper</div>
             <div class="col-sm-6 text-center text-sm-end">
                 {% if page.hyper_path %}
                     <a href="https://github.com/hyperium/hyper/blob/master/{{ page.hyper_path }}">