Add job to build Jenkins from master

Change-Id: I20916534726ab0b85f0b23cf6229524ff37d4309
diff --git a/jenkins/client/job/docker/init.yml b/jenkins/client/job/docker/init.yml
index b6ed029..64dc03f 100644
--- a/jenkins/client/job/docker/init.yml
+++ b/jenkins/client/job/docker/init.yml
@@ -19,6 +19,9 @@
               tags: "2.13.6 latest"
               dockerfile: "Dockerfile"
             - name: jenkins
+              branch: "master"
+              tags: ""
+            - name: jenkins
               branch: "2.32.3"
               tags: "2.32"
               dockerfile: "Dockerfile"