Run aptly.publisher state before docker services are created

Change-Id: I09be3583756c7eca191db16888c0305bb3baa055
diff --git a/cicd-lab-pipeline.groovy b/cicd-lab-pipeline.groovy
index 7cb6f55..cb8e951 100644
--- a/cicd-lab-pipeline.groovy
+++ b/cicd-lab-pipeline.groovy
@@ -163,6 +163,9 @@
             }
 
             stage("Deploy Docker services") {
+                // We need /etc/aptly-publisher.yaml to be present before
+                // services are deployed
+                salt.enforceState(saltMaster, 'I@aptly:publisher', 'aptly.publisher', true)
                 retry(3) {
                     sleep(5)
                     salt.enforceState(saltMaster, 'I@docker:swarm:role:master', 'docker.client')