[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/consul/requirements.yaml b/kubernetes/consul/requirements.yaml
index 1312294..a0b33cc 100644
--- a/kubernetes/consul/requirements.yaml
+++ b/kubernetes/consul/requirements.yaml
@@ -1,5 +1,6 @@
 # Copyright © 2017 Amdocs, Bell Canada
 # Modifications Copyright © 2018 AT&T
+# 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.
@@ -15,18 +16,18 @@
 
 dependencies:
   - name: common
-    version: ~8.x-0
+    version: ~9.x-0
     # local reference to common chart, as it is
     # a part of this chart's package and will not
     # be published independently to a repo (at this point)
     repository: '@local'
   - name: repositoryGenerator
-    version: ~8.x-0
+    version: ~9.x-0
     repository: '@local'
   - name: consul-server
-    version: ~8.x-0
+    version: ~9.x-0
     repository: 'file://components/consul-server'
     condition: consul-server.enabled
   - name: serviceAccount
-    version: ~8.x-0
+    version: ~9.x-0
     repository: '@local'