Change lab assignments link on course info page

Author: cooper-mj

.DS_Store

@@ -291,7 +291,7 @@ <h4 class="text-primary">Schedule</h4>
                 <h4>Essential Links</h4>
                 <p class="lead">
                   <!-- TODO: Fix this janky spacing hack -->
-                  <strong class="small"><a href="lab_assignments.html" target="_blank">Lab Assignments</a></strong>
+                  <strong class="small"><a href="lab-assignments.html" target="_blank">Lab Assignments</a></strong>
 
                   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                   <strong class="small"><a href="https://docs.google.com/document/d/15Z1g1oXv32njCOiFvGBTlJde4rfOBtshBvKIQH17hys/edit?usp=sharing" onclick="gtag_trackOutboundLink('course_information'); return true;" target="_blank">Course Info</a></strong>