unattended-upgradeでは更新されないパッケージもあるのよね
$ sudo apt upgrade -y
:
The following packages will be upgraded:
bash datadog-agent debconf debconf-i18n heroku libcups2 libcupsimage2
librados2 librbd1 mdadm netplan.io nplan python-apt-common python3-apt
python3-debconf python3-distupgrade python3-software-properties
software-properties-common ubuntu-release-upgrader-core unattended-upgrades
yarn
21 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.