add timens to default generated config.json #7239

Job	Run time
cross-i386	1m 9s
test (ubuntu-20.04, 1.22.x, rootless, -race)	7m 32s
test (ubuntu-20.04, 1.22.x, rootless)	6m 48s
test (ubuntu-20.04, 1.22.x, -race)	7m 54s
test (ubuntu-20.04, 1.22.x)	7m 12s
test (ubuntu-20.04, 1.23.x, rootless, -race)	7m 14s
test (ubuntu-20.04, 1.23.x, rootless)	6m 54s
test (ubuntu-20.04, 1.23.x, -race)	7m 55s
test (ubuntu-20.04, 1.23.x)	7m 2s
test (ubuntu-20.04, 1.23.x, criu-dev)	7m 48s
test (ubuntu-24.04, 1.22.x, rootless, -race)	9m 47s
test (ubuntu-24.04, 1.22.x, rootless)	9m 22s
test (ubuntu-24.04, 1.22.x, -race)	8m 42s
test (ubuntu-24.04, 1.22.x)	7m 19s
test (ubuntu-24.04, 1.23.x, rootless, -race)	9m 51s
test (ubuntu-24.04, 1.23.x, rootless)	9m 20s
test (ubuntu-24.04, 1.23.x, -race)	7m 55s
test (ubuntu-24.04, 1.23.x)	7m 12s
test (ubuntu-24.04, 1.23.x, criu-dev)	7m 58s
test (actuated-arm64-6cpu-8gb, 1.23.x, rootless)	11m 37s
test (actuated-arm64-6cpu-8gb, 1.23.x)	8m 9s
all-done	1s
	2h 44m 41s

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