update the release version of SO 1.5.1

Issue-ID: SO-2223

Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
Change-Id: I978a79f2232505e42ff470aab53614d13fa629f7
diff --git a/kubernetes/so/charts/so-monitoring/values.yaml b/kubernetes/so/charts/so-monitoring/values.yaml
index 494c38c..f0b273c 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:1.5.0
+image: onap/so/so-monitoring:1.5.1
 pullPolicy: Always
 
 replicaCount: 1