Bump prometheus-openstack-exporter version to 1.3.0

Change-Id: Ie54703e6ecf6a3332ef6f769fa500091068ea155
Signed-off-by: Jorge Niedbalski <[email protected]>

Author: niedbalski

docker/prometheus/prometheus-openstack-exporter/Dockerfile.j2

@@ -6,7 +6,7 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 {% block prometheus_openstack_exporter_header %}{% endblock %}
 
 {% block prometheus_openstack_exporter_repository_version %}
-ENV prometheus_openstack_exporter_version=1.1.0
+ENV prometheus_openstack_exporter_version=1.3.0
 {% endblock %}
 
 {% block prometheus_openstack_exporter_install %}