fix: Used wrong architecture (#542)

trap - ERR

version=$(qemu-system-aarch64 --version | head -n 1 | cut -d '(' -f 1 | awk '{ print $NF }')

version=$(qemu-system-x86_64 --version | head -n 1 | cut -d '(' -f 1 | awk '{ print $NF }')

info "Booting image${BOOT_DESC} using QEMU v$version..."

exec qemu-system-x86_64 ${ARGS:+ $ARGS}