Upgrade OpenSuse version to 15.4 for clamp

Issue-ID: POLICY-4278
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: I62c7823b6d14c6b3098f5bae6c6c141adbdba425
diff --git a/packages/policy-clamp-docker/src/main/docker/KubernetesParticipant-Suse.Dockerfile b/packages/policy-clamp-docker/src/main/docker/KubernetesParticipant-Suse.Dockerfile
index 3495d50..3d201c9 100644
--- a/packages/policy-clamp-docker/src/main/docker/KubernetesParticipant-Suse.Dockerfile
+++ b/packages/policy-clamp-docker/src/main/docker/KubernetesParticipant-Suse.Dockerfile
@@ -21,7 +21,7 @@
 #
 # Docker file to build an image that runs the CLAMP ACM K8S Participant on Java 11 or better in OpenSuse
 #
-FROM opensuse/leap:15.3
+FROM opensuse/leap:15.4
 
 LABEL maintainer="Policy Team"
 LABEL org.opencontainers.image.title="Policy CLAMP ACM K8S Participant"