refactor: Use anchor tag instead of button for external link

Replaced button with onClick handler with a proper anchor tag using
target="_blank" for opening the new version link. Added rel="noopener
noreferrer" for security.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/redirect-modal/redirect-modal.tsx

@@ -11,10 +11,6 @@ const RedirectModal = ({ onDismiss }: RedirectModalProps) => {
     setIsVisible(true);
   }, []);
 
-  const handleRedirect = () => {
-    window.location.href = "https://deepsite.hf.co/";
-  };
-
   return (
     <div
       className={`fixed inset-0 z-50 flex items-center justify-center transition-opacity duration-300 ${
@@ -34,12 +30,14 @@ const RedirectModal = ({ onDismiss }: RedirectModalProps) => {
           using the latest version for the best experience and newest features.
         </p>
         <div className="flex gap-4">
-          <button
-            onClick={handleRedirect}
-            className="flex-1 bg-blue-600 hover:bg-blue-700 text-white font-semibold py-3 px-6 rounded-lg transition-colors duration-200"
+          <a
+            href="https://deepsite.hf.co/"
+            target="_blank"
+            rel="noopener noreferrer"
+            className="flex-1 bg-blue-600 hover:bg-blue-700 text-white font-semibold py-3 px-6 rounded-lg transition-colors duration-200 text-center"
           >
             Go to Latest Version
-          </button>
+          </a>
           <button
             onClick={onDismiss}
             className="flex-1 bg-gray-700 hover:bg-gray-600 text-white font-semibold py-3 px-6 rounded-lg transition-colors duration-200"