ironic-lib 2.12.2 release

meta:version: 2.12.2
meta:diff-start: -
meta:series: queens
meta:release-type: release
meta:pypi: yes
meta:first: no
meta:release:Author: Dmitry Tantsur <divius.inside@gmail.com>
meta:release:Commit: Dmitry Tantsur <divius.inside@gmail.com>
meta:release:Change-Id: I8835fe260c72fbfcc99a92d082db7213d85f4419
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Code-Review+2: Tony Breeds <tony@bakeyournoodle.com>
meta:release:Workflow+1: Tony Breeds <tony@bakeyournoodle.com>