Update SO image version in OOM

Change-Id: I192a22ce93991e70cb9a6b2777530953c8913358
Issue-ID: INT-1042
Signed-off-by: Yang Xu <yang.xu3@huawei.com>
diff --git a/kubernetes/so/charts/so-monitoring/values.yaml b/kubernetes/so/charts/so-monitoring/values.yaml
index 29cfab1..1f49eb9 100644
--- a/kubernetes/so/charts/so-monitoring/values.yaml
+++ b/kubernetes/so/charts/so-monitoring/values.yaml
@@ -32,7 +32,7 @@
 # Application configuration defaults.
 #################################################################
 repository: nexus3.onap.org:10001
-image: onap/so/so-monitoring:1.3.3
+image: onap/so/so-monitoring:1.4.0-STAGING-latest
 pullPolicy: Always
 
 replicaCount: 1