sqlalchemy-migrate 0.12.0 release

meta:version: 0.12.0
meta:diff-start: -
meta:series: independent
meta:release-type: release
meta:pypi: no
meta:first: no
meta:release:Author: Matt Riedemann <mriedem.os@gmail.com>
meta:release:Commit: Matt Riedemann <mriedem.os@gmail.com>
meta:release:Change-Id: Ic3cb5184d5cc65982e90430b94fbd13beaa4c921
meta:release:Code-Review+2: Jean-Philippe Evrard <jean-philippe@evrard.me>
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Workflow+1: Sean McGinnis <sean.mcginnis@gmail.com>
This tag has no release notes.