Not avalaible in ubuntu repos since 22.10

I noticed sicherboot doesn't exist in ubuntu 22.10 [repo](https://packages.ubuntu.com/search?suite=default&section=all&arch=any&searchon=names&keywords=sicherboot) while it still does in debian sid [repo](https://packages.debian.org/search?keywords=sicherboot&searchon=names&suite=all&section=all).

Does anyone know what happened in ubuntu? Is there a replacement?