oslo.messaging 5.30.4 release

meta:version: 5.30.4
meta:diff-start: -
meta:series: pike
meta:release-type: release
meta:pypi: yes
meta:first: no
meta:release:Author: Ben Nemec <bnemec@redhat.com>
meta:release:Commit: Ben Nemec <bnemec@redhat.com>
meta:release:Change-Id: I9f929b79cc780e95635882379ace8e31972e8e40
meta:release:Code-Review+1: Andriy Shevchenko <huang.zhiping@99cloud.net>
meta:release:Code-Review+1: melissaml <ma.lei@99cloud.net>
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Code-Review+1: daixianmeng <daixianmeng@yovole.com>
meta:release:Code-Review+2: Thierry Carrez <thierry@openstack.org>
meta:release:Workflow+1: Thierry Carrez <thierry@openstack.org>
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