update constraint for python-magnumclient to new release 4.9.0

meta: version: 4.9.0
meta: team: magnum
meta: diff-start: -
meta: series: flamingo
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: Dale Smith <dale@catalystcloud.nz>
meta: release:Change-Id: Id578eeb2a25164241632d939c980a70243775d26
meta: release:Code-Review+1: Dale Smith <dale@catalystcloud.nz>
meta: release:Workflow+1: Elod Illes <elod.illes@est.tech>
meta: release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta: release:Code-Review+2: Thierry Carrez <thierry@openstack.org>
Change-Id: I52d92f707fed00e643deb7c72d88862f9b41c679
Signed-off-by: OpenStack Proposal Bot <openstack-infra@lists.openstack.org>
Generated-By: openstack/project-config:roles/copy-release-tools-scripts/files/release-tools/update_constraints.sh

Author: OpenStack Proposal Bot

upper-constraints.txt

@@ -533,7 +533,7 @@ proto-plus===1.26.1
 python-keystoneclient===5.7.0
 diskimage-builder===3.39.0
 heat-translator===3.2.0
-python-magnumclient===4.8.1
+python-magnumclient===4.9.0
 docker===7.1.0
 storops===1.2.11
 anyio===4.9.0