Debian 12 でも指紋認証。
参考：
https://github.com/uunicorn/python-validity/issues/63
$ sudo vi /etc/apt/sources.list.d/uunicorn.list
# uunicorn/python-validity
deb http://ppa.launchpad.net/uunicorn/open-fprintd/ubuntu jammy main
$ sudo apt-key adv –keyserver hkp://keyserver.ubuntu.com:80 –recv-keys 8D4C774BA6D18F90
$ sudo apt update
$ sudo apt install open-fprintd fprintd-clients python3-validity
後はUbuntuと同様にGUIで。