[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-4343
Signed-off-by: liamfallon <liam.fallon@est.tech>
Change-Id: I96f9d8d2857976f22f503810ba1d9bb42133cd6b
diff --git a/kubernetes/policy/components/policy-gui/values.yaml b/kubernetes/policy/components/policy-gui/values.yaml
index 60a6ce3..c605b6b 100644
--- a/kubernetes/policy/components/policy-gui/values.yaml
+++ b/kubernetes/policy/components/policy-gui/values.yaml
@@ -73,7 +73,7 @@
 flavor: small
 
 # application image
-image: onap/policy-gui:2.2.3
+image: onap/policy-gui:2.3.0
 pullPolicy: Always
 
 # flag to enable debugging - application support required