Move k0s version defaulting into a phase #1251

Job	Run time
build	1m 26s
build-all	4m 59s
Basic 1+1 smoke using openssh client (quay.io/k0sproject/bootloose-alpine3.18)	2m 4s
Basic file upload smoke (quay.io/k0sproject/bootloose-ubuntu20.04)	2m 22s
Basic 1+1 smoke (quay.io/k0sproject/bootloose-alpine3.18)	2m 2s
Basic file upload smoke (quay.io/k0sproject/bootloose-alpine3.18)	2m 28s
Apply + backup + reset + restore (quay.io/k0sproject/bootloose-alpine3.18)	2m 10s
Basic 1+1 smoke (quay.io/k0sproject/bootloose-amazonlinux2023)	2m 42s
Basic dynamic config smoke (quay.io/k0sproject/bootloose-alpine3.18)	2m 0s
Apply + backup + reset + restore (quay.io/k0sproject/bootloose-rockylinux9)	2m 13s
Basic 1+1 smoke (quay.io/k0sproject/bootloose-debian12)	2m 19s
Init sub-command smoke test	2m 21s
Basic 1+1 smoke (quay.io/k0sproject/bootloose-fedora38)	2m 41s
Apply + backup + reset + restore (quay.io/k0sproject/bootloose-ubuntu20.04)	2m 25s
Basic 1+1 smoke (quay.io/k0sproject/bootloose-rockylinux9)	2m 37s
OS override smoke test	1m 14s
Basic 1+1 smoke (quay.io/k0sproject/bootloose-ubuntu20.04)	2m 33s
Apply + reset (quay.io/k0sproject/bootloose-rockylinux9)	1m 49s
Upgrade (quay.io/k0sproject/bootloose-alpine3.18, v1.21.6+k0s.0)	2m 43s
Apply + reset (quay.io/k0sproject/bootloose-ubuntu20.04)	1m 45s
Upgrade (quay.io/k0sproject/bootloose-amazonlinux2023, v1.21.6+k0s.0)	2m 42s
Upgrade (quay.io/k0sproject/bootloose-rockylinux9, v1.21.6+k0s.0)	2m 23s
Upgrade (quay.io/k0sproject/bootloose-ubuntu20.04, v1.21.6+k0s.0)	2m 34s
	54m 32s

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