Add stub aboutToExpireLegalTagPubliusher to Azure

provider/legal-azure/src/main/java/org/opengroup/osdu/legal/azure/jobs/AboutToExpireLegalTagPublisherImpl.java

+package org.opengroup.osdu.legal.aws.jobs;
+
+import org.opengroup.osdu.core.common.model.http.DpsHeaders;
+import org.opengroup.osdu.legal.provider.interfaces.IAboutToExpireLegalTagPublisher;
+import org.opengroup.osdu.legal.jobs.models.AboutToExpireLegalTags;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class AboutToExpireLegalTagPublisherImpl implements IAboutToExpireLegalTagPublisher {
+    @Override
+    public void publish(String projectId, DpsHeaders headers, AboutToExpireLegalTags aboutToExpireLegalTags) {
+        // to be implemented
+    }
+}