os-client-config 1.21.1 release

meta:version: 1.21.1
meta:diff-start: -
meta:series: newton
meta:release-type: release
meta:announce: openstack-dev@lists.openstack.org
meta:pypi: yes
meta:first: no
meta:release:Author: Monty Taylor <mordred@inaugust.com>
meta:release:Commit: Monty Taylor <mordred@inaugust.com>
meta:release:Change-Id: I9141c957881751a62b02e57b727524abdedc4efe
meta:release:Code-Review+2: Doug Hellmann <doug@doughellmann.com>
meta:release:Workflow+1: Doug Hellmann <doug@doughellmann.com>
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