libct/cap: switch to moby/sys/capability #6709

Job	Run time
cross-i386	1m 34s
cross-i386 (runc_nodmz)	53s
test (ubuntu-20.04, 1.22.x, rootless, -race)	7m 49s
test (ubuntu-20.04, 1.22.x, rootless)	7m 3s
test (ubuntu-20.04, 1.22.x, -race)	8m 12s
test (ubuntu-20.04, 1.22.x)	7m 30s
test (ubuntu-20.04, 1.23.x, rootless, -race)	7m 33s
test (ubuntu-20.04, 1.23.x, rootless)	7m 16s
test (ubuntu-20.04, 1.23.x, -race)	8m 11s
test (ubuntu-20.04, 1.23.x)	7m 37s
test (ubuntu-20.04, 1.23.x, criu-dev)	8m 4s
test (ubuntu-24.04, 1.22.x, rootless, -race)	9m 57s
test (ubuntu-24.04, 1.22.x, rootless)	9m 26s
test (ubuntu-24.04, 1.22.x, -race)	8m 8s
test (ubuntu-24.04, 1.22.x)	7m 42s
test (ubuntu-24.04, 1.23.x, rootless, -race)	9m 42s
test (ubuntu-24.04, 1.23.x, rootless)	9m 32s
test (ubuntu-24.04, 1.23.x, -race)	8m 33s
test (ubuntu-24.04, 1.23.x)	7m 30s
test (ubuntu-24.04, 1.23.x, runc_nodmz)	7m 55s
test (ubuntu-24.04, 1.23.x, criu-dev)	8m 28s
test (actuated-arm64-6cpu-8gb, 1.23.x, rootless)	13m 7s
test (actuated-arm64-6cpu-8gb, 1.23.x)	9m 50s
all-done	1s
	3h 1m 33s

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