roc-umbrella: releasing 2.1.33 for updated aether 2.1 model

Change-Id: I5af546b4a2bfea15cdeb9cd98614755fba34553c
diff --git a/aether-roc-umbrella/templates/datasources-templated.yaml b/aether-roc-umbrella/templates/datasources-templated.yaml
index 1f507d9..0e03116 100644
--- a/aether-roc-umbrella/templates/datasources-templated.yaml
+++ b/aether-roc-umbrella/templates/datasources-templated.yaml
@@ -15,7 +15,7 @@
      datasources:
      {{- range .Values.grafana.source }}
      - name: datasource-{{ .name }}
-       url: {{ .protocol }}://{{ .service }}:{{ .port }}
+       url: {{ .protocol }}://{{ tpl .service $ }}:{{ .port }}
        type: prometheus
        access: proxy
        jsonData: