[SDNC] Version bump for final Istanbul image

Bump SDNC images to version 2.2.2, final Istanbul release version

Issue-ID: SDNC-1610
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: I340cc2a1c32534d561c121fc3cd33ab82c800f02
diff --git a/kubernetes/sdnc/values.yaml b/kubernetes/sdnc/values.yaml
index d244f9c..a1ed2ca 100644
--- a/kubernetes/sdnc/values.yaml
+++ b/kubernetes/sdnc/values.yaml
@@ -206,7 +206,7 @@
 # application images
 
 pullPolicy: Always
-image: onap/sdnc-image:2.2.1
+image: onap/sdnc-image:2.2.2
 
 # flag to enable debugging - application support required
 debugEnabled: false