Add jenkins job ConfigHistory plugin

Change-Id: I0a4092ca0c96f4f67683c08148aee35b533cdaa6
diff --git a/jenkins/client/init.yml b/jenkins/client/init.yml
index 7d87ffe..5e3f4a1 100644
--- a/jenkins/client/init.yml
+++ b/jenkins/client/init.yml
@@ -30,6 +30,7 @@
         gerrit-trigger: {}
         git: {}
         heavy-job: {}
+        jobConfigHistory: {}
         ldap: {}
         matrix-auth: {}
         monitoring: {}