Change author in setup.cfg
Change author in setup.cfg

Changed author to OpenStack in setup.cfg
refer:https://review.openstack.org/#/c/407413

Change-Id: I330aa4c490e7efefa0c0f18a2014dae20e8cf77b

openstack/puppet-ironic,openstack/puppet-ironic,fuel-infra/puppet-ironic,fuel-infra/puppet-ironic,fuel-infra/puppet-ironic,openstack/puppet-ironic