Show when the keycheck was last updated

public/templates/public/process.html

@@ -135,7 +135,7 @@ See: <a href="http://lists.debian.org/debian-project/2010/09/msg00026.html">hand
         {% if keycheck %}
         <small>
         <ul class="packed">
-          <li>Main key: <i>{{keycheck.main.remarks}}</i></li>
+          <li>Main key: <i>{{keycheck.main.remarks}}</i> (last updated: {{keycheck.updated|date:"Y-m-d"}})</li>
           {% for uid in keycheck.uids %}
           <li>{{uid.name}}: <i>{{uid.remarks}}</i>, <i>{{uid.sigs_ok}}</i> DD sigs, <i>{{uid.sigs_no_key}}</i> non-DD sigs</li>
           {% endfor %}

public/views.py

@@ -257,6 +257,7 @@ class Process(VisitorTemplateView):
                     "remarks": " ".join(sorted(keycheck.errors)) if keycheck.errors else "ok",
                 },
                 "uids": uids,
+                "updated": key.check_sigs_updated,
             }
 
         return ctx