limactl start should wait until all provision scripts complete (and report errors on failure)

[AkihiroSuda]

Currently we have to inject probes script in addition to provision like this:

lima/examples/k3s.yaml

Lines 30 to 47 in be68278

	provision:
	- mode: system
	script: |
	#!/bin/sh
	curl -sfL https://get.k3s.io | sh -
	probes:
	- script: |
	#!/bin/bash
	set -eux -o pipefail
	if ! timeout 30s bash -c "until test -f /etc/rancher/k3s/k3s.yaml; do sleep 3; done"; then
	echo >&2 "k3s is not running yet"
	exit 1
	fi
	hint: |
	The k3s kubeconfig file has not yet been created.
	Run "limactl shell k3s sudo journalctl -u k3s" to check the log.
	If that is still empty, check the bottom of the log at "/var/log/cloud-init-output.log".

limactl start should wait until all provision scripts complete (and report errors on failure) by default