Bump script version strings to bust browser cache

Forces browsers to fetch updated market-script.js and script.js
with the Gantt red line position fix.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

index.html

@@ -780,6 +780,6 @@
   </div><!-- /appContainer -->
 
   <script src="auth.js"></script>
-  <script src="script.js?v=2026031303"></script>
+  <script src="script.js?v=2026042401"></script>
 </body>
 </html>

market.html

@@ -374,6 +374,6 @@
     </p>
   </main>
 
-  <script src="market-script.js?v=2026042301"></script>
+  <script src="market-script.js?v=2026042401"></script>
 </body>
 </html>