[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/values.yaml b/kubernetes/dcaegen2/values.yaml
index f82b410..17b077b 100644
--- a/kubernetes/dcaegen2/values.yaml
+++ b/kubernetes/dcaegen2/values.yaml
@@ -68,4 +68,4 @@
 dcae-servicechange-handler:
   enabled: true
 dcae-ves-openapi-manager:
-  enabled: true
\ No newline at end of file
+  enabled: true