Enable timestamper plugin for jenkins

Related-Prod: PROD-34521
Change-Id: I42582af9a6e034abc973cdb1db075cbb14847dcc
diff --git a/jenkins/client/init.yml b/jenkins/client/init.yml
index 03406a3..38b62a2 100644
--- a/jenkins/client/init.yml
+++ b/jenkins/client/init.yml
@@ -13,6 +13,8 @@
     jenkins_gerrit_credentials: "gerrit"
   jenkins:
     client:
+      timestamper:
+        enabled: true
       globalenvprop:
         OFFLINE_DEPLOYMENT:
           value: ${_param:jenkins_offline_deployment}