Update reference for puppet-apache
Update reference for puppet-apache

Required for scenario-py3 running in Fedora.
With the next puppet update this will be updated
to a tag release.

Change-Id: I05603f35009c018b0f00e93d7ef6dc91ae9dadd3

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration