ceilometer wallaby-em release

meta:version: wallaby-em
meta:diff-start: -
meta:series: wallaby
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: I055a4b2858df35bd36b3ee252da50341eacc27ca
meta:release:Code-Review+1: Matthias Runge <mrunge@redhat.com>
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta:release:Code-Review+2: Hervé Beraud <herveberaud.pro@gmail.com>
meta:release:Workflow+1: Hervé Beraud <herveberaud.pro@gmail.com>
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