Bump chart version

Use 6.0.0 in preparation for Frankfurt release

Issue-ID: OOM-2320
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I8ad82dfdf48b56c38c0e85d640b18cc13c8d9e67
diff --git a/kubernetes/nbi/requirements.yaml b/kubernetes/nbi/requirements.yaml
index f0c4b8e..4bd4fd8 100644
--- a/kubernetes/nbi/requirements.yaml
+++ b/kubernetes/nbi/requirements.yaml
@@ -15,19 +15,19 @@
 
 dependencies:
   - name: common
-    version: ~5.x-0
+    version: ~6.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: mongo
-    version: ~5.x-0
+    version: ~6.x-0
     repository: '@local'
   - name: mariadb-galera
-    version: ~5.x-0
+    version: ~6.x-0
     repository: '@local'
     condition: global.mariadbGalera.localCluster
   - name: mariadb-init
-    version: ~5.x-0
+    version: ~6.x-0
     repository: '@local'
     condition: not global.mariadbGalera.localCluster