ovsdbapp 0.12.3 release

meta:version: 0.12.3
meta:diff-start: -
meta:series: rocky
meta:release-type: release
meta:pypi: no
meta:first: no
meta:release:Author: Terry Wilson <twilson@redhat.com>
meta:release:Commit: Terry Wilson <twilson@redhat.com>
meta:release:Change-Id: Iad68aae777c734788ce7715dd38a1e5e4ac5f7b3
meta:release:Code-Review+1: Akihiro Motoki <amotoki@gmail.com>
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Code-Review+2: Jean-Philippe Evrard <jean-philippe@evrard.me>
meta:release:Code-Review+2: Tony Breeds <tony@bakeyournoodle.com>
meta:release:Workflow+1: Tony Breeds <tony@bakeyournoodle.com>