Merge tag '1.3.0' into debian/wallaby

oslo.upgradecheck 1.3.0 release

meta:version: 1.3.0
meta:diff-start: -
meta:series: wallaby
meta:release-type: release
meta:pypi: yes
meta:first: no
meta:release:Author: Ghanshyam Mann <gmann@ghanshyammann.com>
meta:release:Commit: Ghanshyam <gmann@ghanshyammann.com>
meta:release:Change-Id: I29b3d9b76a08b031ce67d486e76cac7cf2e1abc5
meta:release:Code-Review+2: Hervé Beraud <hberaud@redhat.com>
meta:release:Code-Review+2: Thierry Carrez <thierry@openstack.org>
meta:release:Workflow+1: Thierry Carrez <thierry@openstack.org>