Merge tag '12.12.0' into debian/yoga

oslo.messaging 12.12.0 release

meta:version: 12.12.0
meta:diff-start: -
meta:series: yoga
meta:release-type: release
meta:pypi: yes
meta:first: no
meta:release:Author: Hervé Beraud <hberaud@redhat.com>
meta:release:Commit: Hervé Beraud <hberaud@redhat.com>
meta:release:Change-Id: I27c955b47fafcb9db3be70d2a8f508fe9def348b
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta:release:Code-Review+1: Daniel Bengtsson <dbengt@redhat.com>
meta:release:Workflow+1: Elod Illes <elod.illes@est.tech>