Merge tag '8.7.1' into debian/xena

oslo.config 8.7.1 release

meta:version: 8.7.1
meta:diff-start: -
meta:series: xena
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: Ia291a5d496ae3fb71e41a6d7fc0b885d5a3c8aab
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>