Add configured apt component to the unattended-upgrades whitelist

root@donkey:/etc/apt# unattended-upgrades  --dry-run --debug
Initial blacklisted packages: 
Initial whitelisted packages: 
Starting unattended upgrades script
Allowed origins are: ['o=leap.se,a=stable', 'origin=Debian,codename=jessie,label=Debian', 'origin=Debian,codename=jessie,label=Debian-Security']
Checking: python-sqlcipher ([<Origin component:'snapshots' archive:'' origin:'LEAP' label:'' site:'deb.leap.se' isTrusted:True>])
pkgs that look like they should be upgraded: 
Fetched 0 B in 0s (0 B/s)                                                                                                                                                                                         
fetch.run() result: 0
blacklist: []
whitelist: []
InstCount=0 DelCount=0 BrokenCount=0
No packages found that can be upgraded unattended


root@donkey:/etc/apt# cat /etc/apt/sources.list.d/leap.list 
deb [signed-by=/usr/share/keyrings/leap-archive.gpg] http://deb.leap.se/platform jessie snapshots

root@donkey:/etc/apt# cat /etc/apt/apt.conf.d/51unattended-upgrades-leap 
// this file is managed by puppet !

Unattended-Upgrade::Allowed-Origins {
  "leap.se:stable";
}