release 1.5.3 APPC dockers

new appc docker for dublin

Issue-ID: APPC-1595
Change-Id: I52533ce35868b2ad1bd82d2e1cec7c48102cb430
Signed-off-by: Taka Cho <takamune.cho@att.com>
(cherry picked from commit a1d20aee2c93e7ceeda1c680e654fecbe9284317)
diff --git a/kubernetes/appc/charts/appc-cdt/values.yaml b/kubernetes/appc/charts/appc-cdt/values.yaml
index 13dcc1c..7db9527 100644
--- a/kubernetes/appc/charts/appc-cdt/values.yaml
+++ b/kubernetes/appc/charts/appc-cdt/values.yaml
@@ -26,7 +26,7 @@
 
 # application image
 repository: nexus3.onap.org:10001
-image: onap/appc-cdt-image:1.5.2
+image: onap/appc-cdt-image:1.5.3
 pullPolicy: Always
 
 # application configuration