[POLICY] Update docker images to latest versions

The image versions in policy values.yaml files have been updated

*** This commit is generated by a PF release script ***

Issue-ID: POLICY-4997
Change-Id: Ia874c6a050f9a0253628247519541e17d86d08cf
Signed-off-by: saul.gill <saul.gill@est.tech>
diff --git a/kubernetes/policy/components/policy-api/values.yaml b/kubernetes/policy/components/policy-api/values.yaml
index c76be2f..70c06cc 100755
--- a/kubernetes/policy/components/policy-api/values.yaml
+++ b/kubernetes/policy/components/policy-api/values.yaml
@@ -48,7 +48,7 @@
 # Application configuration defaults.
 #################################################################
 # application image
-image: onap/policy-api:3.1.2
+image: onap/policy-api:3.1.3
 pullPolicy: Always
 
 # flag to enable debugging - application support required