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

Change-Id: I1493783847b9468c357bc2457bdcc93e46a5daf4
diff --git a/jenkins/client/job/deploy/lab/deploy.yml b/jenkins/client/job/deploy/lab/deploy.yml
index b6bbc71..f4cd2fc 100644
--- a/jenkins/client/job/deploy/lab/deploy.yml
+++ b/jenkins/client/job/deploy/lab/deploy.yml
@@ -11,7 +11,7 @@
             type: workflow-scm
             discard:
               build:
-                keep_num: 20
+                keep_num: 100
             concurrent: true
             display_name: "Deploy - {{stack_name}} {{stack_type}}"
             scm: