bump the SO version to 1.5.3

Issue-ID: SO-2328

Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
Change-Id: I694a53807d071e3ff14c4f013ec43a33af95f2ec
diff --git a/kubernetes/so/charts/so-request-db-adapter/values.yaml b/kubernetes/so/charts/so-request-db-adapter/values.yaml
index 028d123..58e6412 100755
--- a/kubernetes/so/charts/so-request-db-adapter/values.yaml
+++ b/kubernetes/so/charts/so-request-db-adapter/values.yaml
@@ -27,7 +27,7 @@
 # Application configuration defaults.
 #################################################################
 repository: nexus3.onap.org:10001
-image: onap/so/request-db-adapter:1.5.2
+image: onap/so/request-db-adapter:1.5.3
 pullPolicy: Always
 
 replicaCount: 1