update constraint for keystonemiddleware to new release 10.2.0

meta: version: 10.2.0
meta: diff-start: -
meta: series: antelope
meta: release-type: release
meta: pypi: yes
meta: first: yes
meta: release:Author: Hervé Beraud <hberaud@redhat.com>
meta: release:Commit: Hervé Beraud <hberaud@redhat.com>
meta: release:Change-Id: I677106b5215275925b135e9093fed5f83a1413b3
meta: release:Code-Review+1: Grzegorz Grasza <xek@redhat.com>
meta: release:Code-Review+2: Hervé Beraud <herveberaud.pro@gmail.com>
meta: release:Code-Review+1: David Wilde <dwilde@redhat.com>
meta: release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta: release:Workflow+1: Elod Illes <elod.illes@est.tech>
Change-Id: I8dab1534dfeeb8d2accc3369a20540b6771b058a

upper-constraints.txt

@@ -353,7 +353,7 @@ infi.dtypes.iqn===0.4.0
 XStatic-tv4===1.2.7.0
 XStatic-JSEncrypt===2.3.1.1
 python-cinderclient===9.2.0
-keystonemiddleware===10.1.0
+keystonemiddleware===10.2.0
 django-formtools===2.4
 XStatic-Spin===1.2.5.3
 tap-as-a-service===10.0.0