replacing initramfs-tools with dracut

Great news, Debian will likely switch dracut-ng in Debian trixie.

Debian feature request:
dracut: Consider switching to the fork dracut-ng

This will fix two important bugs.

One bug where migrating from initramfs-tools to dracut while using full disk encryption:

And a bug that matters for ram-wipe as per Is RAM Wipe possible inside Whonix? Cold Boot Attack Defense - #57 by Patrick.