consolidate and streamline build (#2469)

* consolidate and streamline build

* fix workflow syntax

* fix workflow syntax

* fix workflow syntax

* fix workflow syntax

* fix build scripts

* only build platform-specific system images

* fix build script

* more build fixes

* fix

* fix compat build for x86

* wat

* checkout

* Prevent rebuild of compiled artifacts

* Update startos-iso.yaml

* Update startos-iso.yaml

* fix raspi build

* handle missing platform better

* reduce arm vcpus

* remove arch and platform from fe config, add to patch db

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Co-authored-by: Matt Hill <mattnine@protonmail.com>

build/lib/scripts/fake-apt

@@ -13,7 +13,7 @@ fi
 >&2 echo '    sudo rm /usr/local/bin/apt'
 >&2 echo
 >&2 echo 'Otherwise, what you probably want to do is run:'
->&2 echo '    sudo /usr/lib/embassy/scripts/chroot-and-upgrade'
+>&2 echo '    sudo /usr/lib/startos/scripts/chroot-and-upgrade'
 >&2 echo 'You can run apt in this context to add packages to your system.'
 >&2 echo 'When you are done with your changes, type "exit" and the device will reboot into a system with the changes applied.'
 >&2 echo 'This is still NOT RECOMMENDED if you don'"'"'t know what you are doing, but at least isn'"'"'t guaranteed to break things.'