[CDS] Update chart with service account

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

Issue-ID: OOM-2723
Signed-off-by: farida azmy <farida.azmy.ext@orange.com>
Change-Id: Ic254ec1865501bab90f47d07a37b230c228a7446
diff --git a/kubernetes/cds/components/cds-command-executor/values.yaml b/kubernetes/cds/components/cds-command-executor/values.yaml
index f867565..12a7fe9 100755
--- a/kubernetes/cds/components/cds-command-executor/values.yaml
+++ b/kubernetes/cds/components/cds-command-executor/values.yaml
@@ -91,3 +91,9 @@
       cpu: 2
       memory: 4Gi
   unlimited: {}
+
+#Pods Service Account
+serviceAccount:
+  nameOverride: cds-command-executor
+  roles:
+    - read