overhaul OS build (#2244)

* create init resize for pi

* wip

* defer to OS_ARCH env var

* enable password auth in live image

* use correct live image path

* reorder dependencies

* add grub-common as dependency

* add more depends

* reorder grub

* include systemd-resolved

* misc fixes

* remove grub from dependencies

* imports

* ssh and raspi builds

* fix resolvectl

* generate snake-oil on install

* update raspi build process

* script fixes

* fix resize and config

* add psmisc

* new workflows

* include img

* pass through OS_ARCH env var

* require OS_ARCH

* allow dispatching production builds

* configurable environment

* pass through OS_ARCH on compat build

* fix syntax error

* crossbuild dependencies

* include libavahi-client for cross builds

* reorder add-arch

* add ports

* switch existing repos to amd64

* explicitly install libc6

* add more bullshit

* fix some errors

* use ignored shlibs

* remove ubuntu ports

* platform deb

* Update depends

* Update startos-iso.yaml

* Update startos-iso.yaml

* require pi-beep

* add bios boot, fix environment

* Update startos-iso.yaml

* inline deb

* Update startos-iso.yaml

* allow ssh password auth in live build

* sync hostname on livecd

* require curl

build/raspberrypi/cmdline.txt

@@ -0,0 +1 @@
+console=serial0,115200 console=tty1 root=PARTUUID=cb15ae4d-02 rootfstype=ext4 fsck.repair=yes rootwait cgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory quiet init=/usr/lib/embassy/scripts/init_resize.sh