Update patient statuses overnight

This is necessary as the registration status of a patient is tied to the
current day and needs to reset the next day when there may no longer be
a session date on that day.

Author: thomasleese

config/environments/production.rb

@@ -135,6 +135,11 @@
       class: "RemoveImportCSVJob",
       description: "Remove CSV data from old cohort and immunisation imports"
     },
+    status_updater: {
+      cron: "every day at 3am",
+      class: "StatusUpdaterJob",
+      description: "Updates the status of all patients"
+    },
     trim_active_record_sessions: {
       cron: "every day at 2am",
       class: "TrimActiveRecordSessionsJob",