fix: update cta

Author: Nachichuri

images/nerdearla-es.png

@@ -181,8 +181,8 @@ <h2>Unite a la comunidad</h2>
       <a href="https://www.linkedin.com/groups/4736196/" target="_blank"><i class="fab fa-linkedin fa-lg"></i></a>
     </div>
   </footer>
-  <a href="https://tickets.nerdear.la?utm_source=sysarmy" target="_blank">
-    <img src="images/nerdearla.png" alt="#Nerdearla 2025" class="logo-fixed">
+  <a href="https://tickets.nerdearla.es?utm_source=sysarmy" target="_blank">
+    <img src="images/nerdearla-es.png" alt="#Nerdearla 2025" class="logo-fixed">
   </a>
   <script src="js/main.js"></script>
 </body>