Update index.html

Point to the new regressions

Author: tgrogers

index.html

@@ -91,9 +91,9 @@
             <a class="btn btn-primary" role="button" href="https://github.com/accel-sim/accel-sim-framework">
                 <i class="fa fa-github"></i> View on Github
             </a>
-            <a href="https://travis-ci.com/github/accel-sim/accel-sim-framework">
+            <a href="https://github.com/accel-sim/accel-sim-framework/actions/workflows">
                </i><img
-               src="https://travis-ci.com/accel-sim/accel-sim-framework.svg?token=g4HMNqtvQ2dRwmuv58sp&branch=dev">
+               src="https://github.com/accel-sim/accel-sim-framework/actions/workflows/long-tests.yml/badge.svg">
             </a><br><br>
 
         <p class="lead"><b>Accel-Sim v1.2.0 and AccelWattch v1.0 have officially been released!</b><br>