Add health check endpoint to DMI stub

DMI stub health check endpoint /actuator/health is needed
for NCMP to set trust level. Can be verified using:
  curl "http://localhost:8784/actuator/health"
which reports:
  {"status":"UP"}

Issue-ID: CPS-2118
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: I4477a389a585280d36028b72d280028705e0f8f2
diff --git a/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/resources/application.yml b/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/resources/application.yml
index de097a6..73e0c5c 100644
--- a/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/resources/application.yml
+++ b/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/resources/application.yml
@@ -1,5 +1,5 @@
 #  ============LICENSE_START=======================================================
-#  Copyright (C) 2023 Nordix Foundation
+#  Copyright (C) 2023-2024 Nordix Foundation
 #  ================================================================================
 #  Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
@@ -36,6 +36,12 @@
             value-serializer: io.cloudevents.kafka.CloudEventSerializer
             client-id: cps-core
 
+management:
+    endpoints:
+        web:
+            exposure:
+                include: health
+
 app:
     ncmp:
         async-m2m: