Update Chart.yaml and changelog for 25.11-0 release

Author: cf-ci-bot-v2

charts/gitops-runtime/Chart.yaml

@@ -15,6 +15,8 @@ maintainers:
 annotations:
   artifacthub.io/alternativeName: "codefresh-gitops-runtime"
   artifacthub.io/changes: |-
+    - kind: changed
+      description: 'feat: multi-runtime installation (#939) (#946)'
     - kind: changed
       description: '[app-proxy]fix(app-proxy): update autoDetectArgoCd to use new values structure (#943)'
     - kind: changed