nexus+mariadb upgrade to latest patch versions

Covers POLICY tasks 1597, and 1598.

Change-Id: I3be2ef26e3ddd49fcb02dc7da19f358dfac62697
Issue-ID: POLICY-1597
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
diff --git a/kubernetes/policy/charts/mariadb/values.yaml b/kubernetes/policy/charts/mariadb/values.yaml
index fcd7093..15c75b7 100644
--- a/kubernetes/policy/charts/mariadb/values.yaml
+++ b/kubernetes/policy/charts/mariadb/values.yaml
@@ -25,7 +25,7 @@
 #################################################################
 # application image
 repository: nexus3.onap.org:10001
-image: mariadb:10.2.14
+image: mariadb:10.2.25
 pullPolicy: Always
 
 # flag to enable debugging - application support required