Merge tag '3.0.1' into debian/zed

oslo.versionedobjects 3.0.1 release

meta:version: 3.0.1
meta:diff-start: -
meta:series: zed
meta:release-type: release
meta:pypi: yes
meta:first: no
meta:release:Author: Elod Illes <elod.illes@est.tech>
meta:release:Commit: Elod Illes <elod.illes@est.tech>
meta:release:Change-Id: Ib2c0e782b9a8722eae6fbd6c8046247e37f7a914
meta:release:Code-Review+1: Daniel Bengtsson <dbengt@redhat.com>
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta:release:Code-Review+2: Thierry Carrez <thierry@openstack.org>
meta:release:Workflow+1: Thierry Carrez <thierry@openstack.org>