nova 18.3.0 release

meta:version: 18.3.0
meta:diff-start: -
meta:series: rocky
meta:release-type: release
meta:pypi: no
meta:first: no
meta:release:Author: Előd Illés <elod.illes@est.tech>
meta:release:Commit: Előd Illés <elod.illes@est.tech>
meta:release:Change-Id: I7665068dfd6729f84705f53e98d0c8994315d9c7
meta:release:Code-Review+1: Eric Fried <openstack@fried.cc>
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Code-Review+2: Hervé Beraud <hberaud@redhat.com>
meta:release:Workflow+1: Hervé Beraud <hberaud@redhat.com>
-----BEGIN PGP SIGNATURE-----
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=L/vE
-----END PGP SIGNATURE-----