horizon 15.3.2 release

meta:version: 15.3.2
meta:diff-start: -
meta:series: stein
meta:release-type: release
meta:pypi: no
meta:first: no
meta:release:Author: manchandavishal <manchandavishal143@gmail.com>
meta:release:Commit: manchandavishal <manchandavishal143@gmail.com>
meta:release:Change-Id: Iabf8a84af52bb372a544ff8885e80369953aa653
meta:release:Code-Review+1: Ivan Kolodyazhny <e0ne@e0ne.info>
meta:release:Code-Review+1: Akihiro Motoki <amotoki@gmail.com>
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>