[COMMON] Bump ONAP version

Use version 9.0.0 for Istanbul
Also update the doc.

Issue-ID: OOM-1
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I03e11799bf487226784c98b04116f005c89d1e70
diff --git a/kubernetes/policy/components/policy-gui/requirements.yaml b/kubernetes/policy/components/policy-gui/requirements.yaml
index c9b17cb..acf19af 100644
--- a/kubernetes/policy/components/policy-gui/requirements.yaml
+++ b/kubernetes/policy/components/policy-gui/requirements.yaml
@@ -1,5 +1,6 @@
 #  ============LICENSE_START=======================================================
 #   Copyright (C) 2021 Nordix Foundation.
+#   Modifications Copyright © 2021 Orange
 #  ================================================================================
 #  Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
@@ -18,11 +19,11 @@
 
 dependencies:
   - name: certInitializer
-    version: ~8.x-0
+    version: ~9.x-0
     repository: '@local'
   - name: repositoryGenerator
-    version: ~8.x-0
+    version: ~9.x-0
     repository: '@local'
   - name: serviceAccount
-    version: ~8.x-0
+    version: ~9.x-0
     repository: '@local'