fix: Update "getting involved" link in sidebars

The links in the workshops and student talks sidebars were updated to point to `/getting-involved/host-an-event`.

Author: neural-loop

layouts/partials/student-talks-sidebar.html

@@ -3,6 +3,6 @@
 </div>
 <div class="px-7 pt-7 content-panel">
   <div class="text-right pb-5">
-    <a href="/getting-involved/" class="btn btn-new-primary btn-sm">Present your work</a>
+    <a href="/getting-involved/host-an-event" class="btn btn-new-primary btn-sm">Present your work</a>
   </div>
 </div>

layouts/partials/workshops-sidebar.html

@@ -5,6 +5,6 @@
   <h3 class="pb-5 pt-5 text-xl">Upcoming Workshops</h3>
   {{ partial "components/upcoming-events" . }}
   <div class="text-right pb-5 pt-5">
-    <a href="/getting-involved/" class="btn btn-new-primary btn-sm">Host a workshop</a>
+    <a href="/getting-involved/host-an-event" class="btn btn-new-primary btn-sm">Host a workshop</a>
   </div>
 </div>