ironic 7.0.4 release

meta:version: 7.0.4
meta:diff-start: -
meta:series: ocata
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: I37eeb11d3b351ff5718afbca3e884d51a14b7887
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>
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