update constraint for python-cinderclient to new release 9.7.0

meta: version: 9.7.0
meta: team: cinder
meta: diff-start: -
meta: series: epoxy
meta: branch: master
meta: release-type: release
meta: pypi: yes
meta: first: yes
meta: release:Author: Elod Illes <elod.illes@est.tech>
meta: release:Commit: Brian Rosmaita <rosmaita.fossdev@gmail.com>
meta: release:Change-Id: If7c60026acfa2b6b0f47383cfffd68240ec2319c
meta: release:Code-Review+1: Jon Bernard <jobernar@redhat.com>
meta: release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta: release:Workflow+1: Elod Illes <elod.illes@est.tech>
meta: release:Code-Review+2: Dr. Jens Harbott <frickler@offenerstapel.de>
Change-Id: Id27ddaca8ba27d8593f529ac8c6096813f44c103

Author: OpenStack Proposal Bot

upper-constraints.txt

@@ -353,7 +353,7 @@ testtools===2.7.2
 infi.dtypes.iqn===0.4.0
 XStatic-tv4===1.2.7.0
 XStatic-JSEncrypt===2.3.1.1
-python-cinderclient===9.6.0
+python-cinderclient===9.7.0
 keystonemiddleware===10.9.0
 django-formtools===2.5.1
 XStatic-Spin===1.2.5.3