update constraint for horizon to new release 25.5.1

meta: version: 25.5.1
meta: team: horizon
meta: diff-start: -
meta: series: flamingo
meta: branch: master
meta: release-type: release
meta: pypi: no
meta: first: no
meta: release:Author: Tatiana Ovchinnikova <t.v.ovtchinnikova@gmail.com>
meta: release:Commit: Tatiana Ovchinnikova <t.v.ovtchinnikova@gmail.com>
meta: release:Change-Id: Ie79dd5478621d8d84b22b26983a0eb4522b7ff6b
meta: release:Workflow+1: Elod Illes <elod.illes@est.tech>
meta: release:Code-Review+1: Ivan Anfimov <lazekteam@gmail.com>
meta: release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta: release:Code-Review+2: Dr. Jens Harbott <frickler@offenerstapel.de>
Change-Id: I90423f52325ddd86347fe9c72d4f1b56ee8ec0e3
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

@@ -115,7 +115,7 @@ jaraco.classes===3.4.0
 debtcollector===3.0.0
 responses===0.25.7
 croniter===6.0.0
-horizon===25.5.0
+horizon===25.5.1
 octavia-lib===3.10.0
 python-watcherclient===4.9.0
 MarkupSafe===3.0.2