test(pg_dump): change the targetRevision to main

Author: Franck-Sorel

charts/apps/values.yaml

@@ -1108,7 +1108,7 @@ applications:
       - resources-finalizer.argocd.argoproj.io
     source:
       repoURL: https://github.com/ADORSYS-GIS/ai-helm.git
-      targetRevision: feat/backup-with-pg-dump
+      targetRevision: HEAD
       path: charts/pgdump-backup
       helm:
         releaseName: cnpg-pgdump-backup