Add service annotations for prometheus-consul-exporter (#9882)

These were defined in values overrides but not applied to the service.

Signed-off-by: Lachlan Cooper <lachlancooper@gmail.com>

stable/prometheus-consul-exporter/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: "0.4.0"
 description: A Helm chart for the Prometheus Consul Exporter
 name: prometheus-consul-exporter
-version: 0.1.0
+version: 0.1.1
 keywords:
   - metrics
   - consul

stable/prometheus-consul-exporter/templates/service.yaml

@@ -7,6 +7,8 @@ metadata:
     chart: {{ template "prometheus-consul-exporter.chart" . }}
     release: {{ .Release.Name }}
     heritage: {{ .Release.Service }}
+  annotations:
+{{ toYaml .Values.service.annotations | indent 4 }}
 spec:
   type: {{ .Values.service.type }}
   ports: