Update Chart.yaml and changelog for 0.28.0 release

Author: cf-ci-bot-v2

charts/gitops-runtime/Chart.yaml

@@ -14,6 +14,8 @@ maintainers:
 annotations:
   artifacthub.io/alternativeName: "codefresh-gitops-runtime"
   artifacthub.io/changes: |-
+    - kind: changed
+      description: 'chore: update argocd to v3-3-2 (#1112)'
     - kind: changed
       description: 'chore: update tunnel-chart (#1116)'
     - kind: changed