[stable/metricbeat] fix extraVolumes usage in deployment.yaml (#9937)

* fix https://github.com/helm/charts/issues/9547 on stable/metricbeat/templates/deployment.yaml

Signed-off-by: David Maumenée <d.maumenee@groupeonepoint.com>

* [stable/metricbeat] add a blank line in the end as requested by cpanato

Signed-off-by: David Maumenée <d.maumenee@groupeonepoint.com>

* [stable/metricbeat]  bump the chart version to 0.4.1

Signed-off-by: David Maumenée <d.maumenee@groupeonepoint.com>

stable/metricbeat/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 description: A Helm chart to collect Kubernetes logs with metricbeat
 icon: https://www.elastic.co/assets/blt47799dcdcf08438d/logo-elastic-beats-lt.svg
 name: metricbeat
-version: 0.4.0
+version: 0.4.1
 appVersion: 6.5.1
 home: https://www.elastic.co/products/beats/metricbeat
 sources:

stable/metricbeat/templates/deployment.yaml

@@ -76,3 +76,6 @@ spec:
       - name: modules
         secret:
           secretName: {{ template "metricbeat.fullname" . }}-deployment-modules
+{{- if .Values.extraVolumes }}
+{{ toYaml .Values.extraVolumes | indent 6 }}
+{{- end }}