Add `runc_nocriu` build tag to opt out of c/r #7069

Job	Run time
test (ubuntu-20.04, 1.22.x, rootless, -race)	7m 17s
cross-i386	1m 0s
test (ubuntu-20.04, 1.22.x, rootless)	7m 0s
test (ubuntu-20.04, 1.22.x, -race)	7m 43s
test (ubuntu-20.04, 1.22.x)	7m 14s
test (ubuntu-20.04, 1.23.x, rootless, -race)	7m 9s
test (ubuntu-20.04, 1.23.x, rootless)	6m 55s
test (ubuntu-20.04, 1.23.x, -race)	7m 41s
test (ubuntu-20.04, 1.23.x)	7m 9s
test (ubuntu-20.04, 1.23.x, criu-dev)	7m 31s
test (ubuntu-24.04, 1.22.x, rootless, -race)	9m 30s
test (ubuntu-24.04, 1.22.x, rootless)	9m 22s
test (ubuntu-24.04, 1.22.x, -race)	7m 43s
test (ubuntu-24.04, 1.22.x)	6m 54s
test (ubuntu-24.04, 1.23.x, rootless, -race)	10m 1s
test (ubuntu-24.04, 1.23.x, rootless)	9m 47s
test (ubuntu-24.04, 1.23.x, -race)	8m 25s
test (ubuntu-24.04, 1.23.x)	7m 17s
test (ubuntu-24.04, 1.23.x, criu-dev)	7m 58s
test (actuated-arm64-6cpu-8gb, 1.23.x, rootless)	11m 43s
test (actuated-arm64-6cpu-8gb, 1.23.x)	7m 56s
all-done	1s
	2h 43m 16s

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