Fix link for Workarena

Author: amanjaiswal73892

docs/landing_page/index.html

@@ -245,7 +245,7 @@ <h3 class="title is-4">WorkArena Benchmark</h3>
                   Multiple difficulty levels (L1, L2, L3) with high seed diversity.
                 </p>
                 <div class="buttons">
-                  <a class="button is-primary" href="./projects/workarena.html">
+                  <a class="button is-primary" href="https://servicenow.github.io/WorkArena/">
                     <span class="icon"><i class="fas fa-info-circle"></i></span>
                     <span>Learn More</span>
                   </a>