openstacksdk 0.48.0 release

meta:version: 0.48.0
meta:diff-start: -
meta:series: victoria
meta:release-type: release
meta:pypi: yes
meta:first: no
meta:release:Author: Dmitry Tantsur <dtantsur@protonmail.com>
meta:release:Commit: Dmitry Tantsur <dtantsur@protonmail.com>
meta:release:Change-Id: I4d0074ea03c1ee958e2da2d48fbdf800871a427d
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>