Use newer jenkins image

Change-Id: Idb87780318148ae0f0ee6a0170b450d756c466d4
diff --git a/docker/swarm/stack/jenkins/master.yml b/docker/swarm/stack/jenkins/master.yml
index 8b66187..54b0093 100644
--- a/docker/swarm/stack/jenkins/master.yml
+++ b/docker/swarm/stack/jenkins/master.yml
@@ -1,6 +1,6 @@
 parameters:
   _param:
-    docker_image_jenkins: tcpcloud/jenkins:2.52
+    docker_image_jenkins: tcpcloud/jenkins:2.63
   docker:
     client:
       stack: