[Piuparts-reports] Cron <piupartsm at pejacevic> rotate_master_logs

[Cron Daemon]

buster/master.20181026.log: 102.9 KiB / 1090.4 KiB = 0.094
'stretch/master.log' -> 'stretch/master.20181027.log'
'stretch-rcmd/master.log' -> 'stretch-rcmd/master.20181027.log'
'stretch-security/master.log' -> 'stretch-security/master.20181027.log'