ironic 9.1.2 release

meta:version: 9.1.2
meta:diff-start: -
meta:series: pike
meta:release-type: release
meta:pypi: no
meta:first: no
meta:release:Author: Dmitry Tantsur <divius.inside@gmail.com>
meta:release:Commit: Doug Hellmann <doug@doughellmann.com>
meta:release:Change-Id: Ifc908c92f53afb533c079485aa59d649e3b7abcc
meta:release:Code-Review+1: Dmitry Tantsur <divius.inside@gmail.com>
meta:release:Code-Review+1: Ruby Loo <ruby.loo@intel.com>
meta:release:Code-Review+2: Tony Breeds <tony@bakeyournoodle.com>
meta:release:Code-Review+1: John L. Villalovos <openstack.org@sodarock.com>
meta:release:Code-Review+1: melissaml <ma.lei@99cloud.net>
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Workflow+1: Sean McGinnis <sean.mcginnis@gmail.com>