[POLICY] Update chart with service account

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

Issue-ID: OOM-2725
Signed-off-by: farida azmy <farida.azmy.ext@orange.com>
Co-authored-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I67c689d65ff004c3919256449d0bfaf976514a93
diff --git a/kubernetes/policy/components/policy-nexus/templates/deployment.yaml b/kubernetes/policy/components/policy-nexus/templates/deployment.yaml
index 3d5d59f..4c945f4 100755
--- a/kubernetes/policy/components/policy-nexus/templates/deployment.yaml
+++ b/kubernetes/policy/components/policy-nexus/templates/deployment.yaml
@@ -83,6 +83,7 @@
         affinity:
 {{ toYaml .Values.affinity | indent 10 }}
         {{- end }}
+      serviceAccountName: {{ include "common.fullname" (dict "suffix" "nothing" "dot" . )}}
       volumes:
         - name: localtime
           hostPath: