Update dependency bazel_skylib to v1.6.1 #763

Job	Run time
lint	18s
abs_paths_test (true)	2m 15s
external_test (macos-latest, latest, true)	5m 52s
abs_paths_test (false)	2m 13s
container_test (archlinux, true)	2m 33s
external_test (macos-latest, latest, false)	4m 34s
sys_paths_test (true)	3m 20s
container_test (archlinux, false)	2m 30s
sys_paths_test (false)	3m 24s
test (macos-latest, 7.0.0, true)	2m 18s
external_test (ubuntu-latest, latest, true)	8m 1s
test (macos-latest, 7.0.0, false)	1m 57s
container_test (debian, true)	2m 20s
external_test (ubuntu-latest, latest, false)	7m 46s
container_test (debian, false)	2m 24s
test (macos-latest, latest, true)	1m 55s
xcompile_test (true)	2m 1s
test (macos-latest, latest, false)	2m 6s
container_test (fedora, true)	2m 33s
xcompile_test (false)	1m 51s
container_test (fedora, false)	2m 25s
test (ubuntu-latest, 7.0.0, true)	2m 41s
test (ubuntu-latest, 7.0.0, false)	2m 15s
container_test (suse_leap, true)	3m 5s
test (ubuntu-latest, latest, true)	2m 15s
container_test (suse_leap, false)	3m 11s
test (ubuntu-latest, latest, false)	2m 9s
container_test (suse_tumbleweed, true)	2m 48s
container_test (suse_tumbleweed, false)	2m 44s
container_test (ubuntu_20_04, true)	4m 28s
container_test (ubuntu_20_04, false)	13m 22s
container_test (ubuntu_22_04, true)	2m 34s
container_test (ubuntu_22_04, false)	3m 2s
container_test (linux_sysroot, true)	2m 42s
container_test (linux_sysroot, false)	13m 49s
	2h 5m 41s

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