update constraint for python-glanceclient to new release 4.8.0

meta: version: 4.8.0
meta: team: glance
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: Elod Illes <elod.illes@est.tech>
meta: release:Change-Id: Ie5e265b271112f1bb4a2cd7f320a0f19e49c8d08
meta: release:Code-Review+2: Thierry Carrez <thierry@openstack.org>
meta: release:Workflow+1: Thierry Carrez <thierry@openstack.org>
meta: release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta: release:Code-Review+1: Pranali Deore <pdeore@redhat.com>
Change-Id: Ibedf637212864b9d62fcb2dacf1185603d4a4572

Author: OpenStack Proposal Bot

upper-constraints.txt

@@ -113,7 +113,7 @@ mypy-extensions===1.0.0
 rsd-lib===1.2.0
 XStatic-Jasmine===2.4.1.2
 googleapis-common-protos===1.68.0
-python-glanceclient===4.7.0
+python-glanceclient===4.8.0
 prometheus_client===0.21.1
 jaraco.classes===3.4.0
 debtcollector===3.0.0