openstacksdk 0.38.0 release

meta:version: 0.38.0
meta:diff-start: -
meta:series: ussuri
meta:release-type: release
meta:pypi: yes
meta:first: no
meta:release:Author: Eric Fried <openstack@fried.cc>
meta:release:Commit: Eric Fried <openstack@fried.cc>
meta:release:Change-Id: I9bd287974c52fd32102fd1c1c62f662f478f0d11
meta:release:Code-Review+1: Adam Harwell <flux.adam@gmail.com>
meta:release:Code-Review+1: Dmitry Tantsur <dtantsur@protonmail.com>
meta:release:Code-Review+1: Artem Goncharov <artem.goncharov@gmail.com>
meta:release:Code-Review+1: Erik Olof Gunnar Andersson <eandersson@blizzard.com>
meta:release:Code-Review+2: Thierry Carrez <thierry@openstack.org>
meta:release:Code-Review+1: Monty Taylor <mordred@inaugust.com>
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Workflow+1: Sean McGinnis <sean.mcginnis@gmail.com>