Update refresh intervals in UpdateTimer and UptimeStatusIsland components from 30 minutes to 5 minutes for more frequent status checks and updates.

src/pages/[lang]/uptime.astro

@@ -85,7 +85,7 @@ const metadata = {
       <div class="backdrop-blur-sm bg-blue-50/50 dark:bg-blue-900/20 rounded-lg p-4 border-l-4 border-blue-500">
         <h4 class="font-semibold text-blue-800 dark:text-blue-200 mb-1">🔄 Updates</h4>
         <p class="text-sm text-blue-700 dark:text-blue-300">
-          Status checks every 30 minutes with automatic refresh
+          Status checks every 5 minutes with automatic refresh
         </p>
       </div>
       <div class="backdrop-blur-sm bg-green-50/50 dark:bg-green-900/20 rounded-lg p-4 border-l-4 border-green-500">