Increased max saved builds property for some (primary deploy) jobs

Change-Id: I1493783847b9468c357bc2457bdcc93e46a5daf4
diff --git a/jenkins/client/job/deploy/kqueen.yml b/jenkins/client/job/deploy/kqueen.yml
index 817eb8f..06b449b 100644
--- a/jenkins/client/job/deploy/kqueen.yml
+++ b/jenkins/client/job/deploy/kqueen.yml
@@ -7,7 +7,7 @@
           type: workflow-scm
           discard:
             build:
-              keep_num: 20
+              keep_num: 50
           concurrent: true
           display_name: "Deploy AWS K8S using kqueen"
           scm: