add changelog

Signed-off-by: arielly-parussulo <arielly.parussulo@quintoandar.com.br>

Author: arielly-parussulo

charts/argo-cd/Chart.yaml

@@ -23,4 +23,5 @@ dependencies:
     condition: redis-ha.enabled
 annotations:
   artifacthub.io/changes: |
-    - "[Fixed]: Cluster credentials JSON config must be always converted to the string"
+    - "[Add]: Support to deploy argocd-repo-server as a StatefulSet"
+    - "[Add]: Creation of PVC for argocd-repo-server"