DEV-791: re-added installation of pg-exporter

Chart.yaml

@@ -27,10 +27,10 @@ dependencies:
   - name: tenant
     version: 4.5.4
     repository: oci://prodnso-harbor-01.smardigo.digital/infrastructure
-#  - name: prometheus-postgres-exporter
+  - name: prometheus-postgres-exporter
-#    version: 4.2.1
+    version: 4.2.1
-#    repository: oci://prodnso-harbor-01.smardigo.digital/infrastructure
+    repository: oci://prodnso-harbor-01.smardigo.digital/infrastructure
-#    alias: prometheusPostgresExporter
+    alias: prometheusPostgresExporter
   - name: smardigo-connect
     version: 0.1.27
     repository: oci://prodnso-harbor-01.smardigo.digital/smardigo