enabling auto sync for dhis2 sbx 1 server (#307)

**Story card:** [sc-XXXX](URL)

Co-authored-by: Ayushi Agrawal <[email protected]>

Author: aagrawalrtsl

k8s/environments/sandbox/argocd-apps/apps.yaml

@@ -420,7 +420,9 @@ spec:
     syncOptions:
       - PruneLast=true
       - CreateNamespace=true
-    automated: false
+    automated:
+      prune: true
+      selfHeal: true
 
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