[VOL-5480] - update to bitnamilegacy for kafka,etcd,zookeper,redis voltha-infra services

Change-Id: Id1ffb17032c3f6e3bc83c7cfd9dfe08e7f03f44c
Signed-off-by: Akash Reddy Kankanala <akash.kankanala@radisys.com>
diff --git a/voltha-stack/Chart.yaml b/voltha-stack/Chart.yaml
index 2c62dd1..4fe82e2 100644
--- a/voltha-stack/Chart.yaml
+++ b/voltha-stack/Chart.yaml
@@ -34,7 +34,7 @@
 
 ## Chart version for package voltha-stack
 ##   Increment when Chart.yaml changes
-version    : "2.12.17"
+version    : "2.12.18"
 
 # -----------------------------------------------------------------------
 # NOTE: Dependencies are chart versions not component/repository version