[DCAEGEN2] Update chart with service account

Add service account to requirements.yaml,
values.yaml and deployment/statefulset.

Issue-ID: OOM-2726
Signed-off-by: farida azmy <farida.azmy.ext@orange.com>
Co-authored-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I6bafed3c621f4e7b1a307bc9338334586eb6795e
Signed-off-by: Abdelmuhaimen Seaudi <abdelmuhaimen.seaudi@orange.com>
diff --git a/kubernetes/dcaegen2/components/dcae-policy-handler/templates/deployment.yaml b/kubernetes/dcaegen2/components/dcae-policy-handler/templates/deployment.yaml
index 916c5f6..b8c2435 100644
--- a/kubernetes/dcaegen2/components/dcae-policy-handler/templates/deployment.yaml
+++ b/kubernetes/dcaegen2/components/dcae-policy-handler/templates/deployment.yaml
@@ -145,6 +145,7 @@
           - mountPath: /usr/share/filebeat/filebeat.yml
             name: filebeat-conf
             subPath: filebeat.yml
+      serviceAccountName: {{ include "common.fullname" (dict "suffix" "read" "dot" . )}}
       volumes:
         - emptyDir: {}
           name: component-log