Update OSM Helm chart version for Rel EIGHTEEN

Change-Id: I78d68f2b865f3874828d6868f5d671a159a113ff
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>

installers/helm/osm/Chart.yaml

@@ -19,8 +19,8 @@ name: osm
 description: A Helm chart for Open Source MANO (OSM)
 type: application
 icon: https://www.etsi.org/images/articles/logos/OSM.png
-version: 0.0.1
-appVersion: "16"
+version: "18.0.0"
+appVersion: "18.0.0"
 dependencies:
 - name: mysql
   repository: "https://charts.bitnami.com/bitnami"