move compressions to optdepend

Laszlo Gombosrequested to merge
laszlogombos/dracut:deps into main

I use pigz. Why should I required to install gzip or xz to use dracut ?

Moving all compressions to optdepend

These are optional for mkinitcpio already - see https://gitlab.archlinux.org/archlinux/packaging/packages/mkinitcpio/-/blob/main/PKGBUILD?ref_type=heads

Edited by Laszlo Gombos

Merge request reports