Show critical path groups in UI tooltip if possible

This follows on the previous critical path group work by having
the tooltip for the critical path icon in the web UI tell you
which critical path groups the update is in, if we are on the
grouped path.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

bodhi-server/bodhi/server/templates/update.html

@@ -89,7 +89,9 @@
                 % if update.type:
                   ${self.util.type2icon(update.type) | n}
                 % endif
-                % if update.critpath:
+                % if update.critpath_groups:
+                <br/><span data-bs-toggle="tooltip" title="This update is in critical path groups ${update.critpath_groups}" class="ms-n2 text-muted"><small> <i class="fa fa-fw fa-fire"></i></small></span>
+                % elif update.critpath:
                 <br/><span data-bs-toggle="tooltip" title="This update is in the critical path" class="ms-n2 text-muted"><small> <i class="fa fa-fw fa-fire"></i></small></span>
                 % endif
               </div>