oslo.config 6.2.1 release

meta:version: 6.2.1
meta:diff-start: -
meta:series: rocky
meta:release-type: release
meta:pypi: yes
meta:first: no
meta:release:Author: Ben Nemec <bnemec@redhat.com>
meta:release:Commit: Ben Nemec <bnemec@redhat.com>
meta:release:Change-Id: I1ad8057682e860d2f3b5b037c7f1b63e86bed9be
meta:release:Code-Review+2: Tony Breeds <tony@bakeyournoodle.com>
meta:release:Workflow+1: Tony Breeds <tony@bakeyournoodle.com>