ironic-python-agent-builder 4.0.0 release

meta:version: 4.0.0
meta:diff-start: -
meta:series: yoga
meta:release-type: release
meta:pypi: no
meta:first: yes
meta:release:Author: Riccardo Pittau <elfosardo@gmail.com>
meta:release:Commit: Riccardo Pittau <elfosardo@gmail.com>
meta:release:Change-Id: I3affebe5a8f639d2e139f46f14ee2c4ca2f4ea86
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta:release:Code-Review+1: Iury Gregory Melo Ferreira <iurygregory@gmail.com>
meta:release:Code-Review+2: Thierry Carrez <thierry@openstack.org>
meta:release:Workflow+1: Thierry Carrez <thierry@openstack.org>