Update tech-builders-challenge.astro

Author: ikollipara

src/pages/specials/tech-builders-challenge.astro

@@ -46,6 +46,8 @@ import { Image } from "astro:assets";
         Attend. Create. Innovate. Transform Seward in 24 Hours!<br />
         <span class="text-gray-100 font-bold">
           Concordia University, Nebraska at 1:30 PM November 1st.
+          <br />
+          Register by October 24th, 2024.
         </span>
         <br />
         <a class="decoration-gray-100 underline" href="#details">