ironic 6.2.0 release

meta:version: 6.2.0
meta:diff-start: -
meta:series: newton
meta:release-type: release
meta:announce: openstack-announce@lists.openstack.org
meta:pypi: no
meta:first: no
meta:release:Author: Jim Rollenhagen <jim@jimrollenhagen.com>
meta:release:Commit: Jim Rollenhagen <jim@jimrollenhagen.com>
meta:release:Change-Id: I85c67e643719736fe3bacc4b8774c6d10e3edd8f
meta:release:Code-Review+1: Jay Faulkner <jay@jvf.cc>
meta:release:Code-Review+1: Dmitry Tantsur <divius.inside@gmail.com>
meta:release:Code-Review+2: Davanum Srinivas (dims) <davanum@gmail.com>
meta:release:Workflow+1: Davanum Srinivas (dims) <davanum@gmail.com>