update constraint for horizon to new release 25.3.0

meta: version: 25.3.0
meta: team: horizon
meta: diff-start: -
meta: series: epoxy
meta: branch: master
meta: release-type: release
meta: pypi: no
meta: first: no
meta: release:Author: Előd Illés <[email protected]>
meta: release:Commit: Tatiana Ovchinnikova <[email protected]>
meta: release:Change-Id: I5a42c8936e5942187813ef2bfa7f2660431c001f
meta: release:Code-Review+2: Dr. Jens Harbott <[email protected]>
meta: release:Code-Review+2: Elod Illes <[email protected]>
meta: release:Workflow+1: Dr. Jens Harbott <[email protected]>
Change-Id: I72ae7bc8c61fc0e26efe9a5036919336cb3312d1

Author: OpenStack Proposal Bot

upper-constraints.txt

@@ -119,7 +119,7 @@ jaraco.classes===3.4.0
 debtcollector===3.0.0
 responses===0.25.6
 croniter===6.0.0
-horizon===25.2.0
+horizon===25.3.0
 octavia-lib===3.8.0
 python-watcherclient===4.8.0
 MarkupSafe===3.0.2