[VOL-5587] Change daily and periodic Jenkins job triggers to weekly

Change-Id: I11311c090c73eb90a985414b451703fb4dbe05b2
Signed-off-by: Serkant Uluderya <serkant.uluderya@netsia.com>
diff --git a/jjb/bbr.yaml b/jjb/bbr.yaml
index 2929922..fdb642d 100644
--- a/jjb/bbr.yaml
+++ b/jjb/bbr.yaml
@@ -43,7 +43,7 @@
     triggers:
       - timed: |
           TZ=America/Los_Angeles
-          H H/4 * * *
+          H H * * 6
 
     parameters:
       - string: