oslo.db 4.43.0 release

meta:version: 4.43.0
meta:diff-start: -
meta:series: stein
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: Ic13e7902de27af7d243f8b2e723b3cb64b43c7d1
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Workflow+1: Sean McGinnis <sean.mcginnis@gmail.com>