Fix host silence tag
<td><a href="{% url 'host-detail' host.name %}">{{ host.name }}</a></td>
<td><a
class="btn btn-warning btn-xs promgen-silence"
- data-labels="{{host.name}}:[0-9]*"
+ data-instance="{{host.name}}:[0-9]*"
href="#"
style="display: inline-block;"
>{% trans "Silence" %}</a></td>
