Fix rebuilderd configuration for the schedule

roles/rebuilderd/templates/rebuilderd-worker.conf.j2

 endpoint = "https://reproducible.archlinux.org"
 #gen_diffoscope = true
 signup_secret = "{{ vault_rebuilderd_signup_secret }}"
-
-[schedule]
-# 2 weeks
-retry_delay_base = 366

roles/rebuilderd/templates/rebuilderd.conf.j2

 [worker]
 # set the generated secret for our workers here
 signup_secret = "{{ vault_rebuilderd_signup_secret }}"
+
+[schedule]
+# 1 week
+retry_delay_base = 168