Add missing template rendering (#20876)

Signed-off-by: Corey Zuares <czuares@gmail.com>

stable/rabbitmq-ha/Chart.yaml

@@ -1,7 +1,7 @@
 name: rabbitmq-ha
 apiVersion: v1
 appVersion: 3.8.0
-version: 1.40.0
+version: 1.40.1
 description: Highly available RabbitMQ cluster, the open source message broker
   software that implements the Advanced Message Queuing Protocol (AMQP).
 keywords:

stable/rabbitmq-ha/templates/service-discovery.yaml

@@ -3,7 +3,7 @@ kind: Service
 metadata:
 {{- if .Values.service.annotations }}
   annotations:
-{{ toYaml .Values.service.annotations | indent 4 }}
+{{ tpl (toYaml .Values.service.annotations) . | indent 4 }}
 {{- end }}
   name: {{ printf "%s-discovery" (include "rabbitmq-ha.fullname" .) | trunc 63 | trimSuffix "-" }}
   namespace: {{ .Release.Namespace }}