[POLICY] Upgrade image versions

These images tackle security issues in libraries.

Issue-ID: POLICY-4071
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
Change-Id: I88297b05f05e0a847d10333e60e665f89ccb424d
diff --git a/kubernetes/policy/components/policy-apex-pdp/values.yaml b/kubernetes/policy/components/policy-apex-pdp/values.yaml
index ad2d954..db52519 100755
--- a/kubernetes/policy/components/policy-apex-pdp/values.yaml
+++ b/kubernetes/policy/components/policy-apex-pdp/values.yaml
@@ -49,7 +49,7 @@
 # Application configuration defaults.
 #################################################################
 # application image
-image: onap/policy-apex-pdp:2.7.2
+image: onap/policy-apex-pdp:2.7.3
 pullPolicy: Always
 
 # flag to enable debugging - application support required