go.mod: Use toolchain 1.22.4 #6591

Job	Run time
cross-i386	1m 32s
cross-i386 (runc_nodmz)	1m 23s
test (ubuntu-20.04, 1.22.x, rootless, -race)	7m 36s
test (ubuntu-20.04, 1.22.x, rootless)	6m 41s
test (ubuntu-20.04, 1.22.x, -race)	8m 29s
test (ubuntu-20.04, 1.22.x)	7m 18s
test (ubuntu-20.04, 1.23.x, rootless, -race)	7m 33s
test (ubuntu-20.04, 1.23.x, rootless)	6m 48s
test (ubuntu-20.04, 1.23.x, -race)	8m 9s
test (ubuntu-20.04, 1.23.x)	7m 21s
test (ubuntu-20.04, 1.23.x, criu-dev)	7m 57s
test (ubuntu-24.04, 1.22.x, rootless, -race)	9m 20s
test (ubuntu-24.04, 1.22.x, rootless)	9m 9s
test (ubuntu-24.04, 1.22.x, -race)	7m 53s
test (ubuntu-24.04, 1.22.x)	7m 21s
test (ubuntu-24.04, 1.23.x, rootless, -race)	9m 29s
test (ubuntu-24.04, 1.23.x, rootless)	8m 54s
test (ubuntu-24.04, 1.23.x, -race)	8m 6s
test (ubuntu-24.04, 1.23.x)	7m 6s
test (ubuntu-24.04, 1.23.x, runc_nodmz)	7m 5s
test (ubuntu-24.04, 1.23.x, criu-dev)	7m 35s
test (actuated-arm64-6cpu-8gb, 1.23.x, rootless)	11m 45s
test (actuated-arm64-6cpu-8gb, 1.23.x)	8m 48s
all-done	1s
	2h 53m 19s

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