reproducible Debian maintenance: run every 3h instead of every 2h

Signed-off-by: Holger Levsen <holger@layer-acht.org>

job-cfg/reproducible.yaml

@@ -282,7 +282,7 @@
             my_task:
                 - 'maintenance':
                     my_description: 'Do some maintenance: check for old files and directories, do backups, update chroots, etc.'
-                    my_timed: '5 0,2,4,6,8,10,12,14,16,18,20,22 * * *'
+                    my_timed: '5 H/3 * * *'
             my_shell: '/srv/jenkins/bin/reproducible_maintenance.sh'
             my_hname:
                 - 'jenkins':        { my_arch: 'amd64' }
@@ -303,7 +303,7 @@
             my_task:
                 - 'maintenance':
                     my_description: 'Do some maintenance: check for old files and directories, do backups, update chroots, etc.'
-                    my_timed: '5 0,2,4,6,8,10,12,14,16,18,20,22 * * *'
+                    my_timed: '5 H/3 * * *'
             my_hname:
                 - 'cbxi4a':         { my_arch: 'armhf' }
                 - 'cbxi4b':         { my_arch: 'armhf' }