ovsdbapp 0.12.0 release

meta:version: 0.12.0
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: I407b2a0a25f106fd9f856d4661bb75a08608e329
meta:release:Code-Review+1: Miguel Lavalle <miguel.lavalle@huawei.com>
meta:release:Code-Review+1: Anne Bertucio <annebertucio@gmail.com>
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Workflow+1: Sean McGinnis <sean.mcginnis@gmail.com>