keystonemiddleware 5.2.2 release

meta:version: 5.2.2
meta:diff-start: -
meta:series: rocky
meta:release-type: release
meta:pypi: yes
meta:first: no
meta:release:Author: Kristi Nikolla <kristi@nikolla.me>
meta:release:Commit: Kristi Nikolla <kristi@nikolla.me>
meta:release:Change-Id: I213a387ec5d262d85790425c1a1b0f5da4134d10
meta:release:Code-Review+2: Hervé Beraud <hberaud@redhat.com>
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Workflow+1: Sean McGinnis <sean.mcginnis@gmail.com>
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