limactl shell: ask whether to start the instance if not running #6167

Job	Run time
Lints	3m 36s
Spell check	8s
Unit tests (1.22.x)	53s
Windows tests	3m 55s
Unit tests (1.23.x)	52s
Colima (v0.6.5)	4m 2s
Integration tests	14m 36s
Integration tests (on Linux) (alpine.yaml)	4m 7s
Integration tests (on Linux) (debian.yaml)	5m 42s
Integration tests (on Linux) (fedora.yaml)	4m 27s
Integration tests (on Linux) (archlinux.yaml)	4m 38s
Upgrade test (v0.15.1)	11m 28s
Integration tests (on Linux) (opensuse.yaml)	6m 40s
VMNet test	9m 57s
Integration tests (on Linux) (docker.yaml)	15m 15s
vz (default.yaml)	9m 16s
Integration tests (on Linux) (../hack/test-templates/alpine-iso-9p-writable.yaml)	4m 9s
vz (fedora.yaml)	9m 26s
Integration tests (on Linux) (../hack/test-templates/net-user-v2.yaml)	4m 23s
Integration tests (on Linux) (../hack/test-templates/test-misc.yaml)	16m 44s
	2h 14m 14s

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