[SO] Update chart with service account

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

Issue-ID: OOM-2718
Signed-off-by: farida azmy <farida.azmy.ext@orange.com>
Change-Id: Ic17b8d9307216a7feeceefe6a1e6f0fe4839a637
diff --git a/kubernetes/so/components/so-request-db-adapter/templates/deployment.yaml b/kubernetes/so/components/so-request-db-adapter/templates/deployment.yaml
index f756448..30e5551 100755
--- a/kubernetes/so/components/so-request-db-adapter/templates/deployment.yaml
+++ b/kubernetes/so/components/so-request-db-adapter/templates/deployment.yaml
@@ -87,6 +87,7 @@
         - containerPort: {{ index .Values.containerPort }}
           name: {{ .Values.service.portName }}
           protocol: TCP
+      serviceAccountName: {{ include "common.fullname" (dict "suffix" "read" "dot" . )}}
       volumes: {{ include "so.certificate.volumes" . | nindent 6 }}
       - name: logs
         emptyDir: {}