Update libc. #2380

Job	Run time
docs	17s
check-cfg	21s
minimal	14s
msrv	52s
quickchecking	16s
rustfmt-clippy	28s
test-book	17s
test-expectations (ubuntu-latest)	49s
test-expectations (macos-12)	1m 5s
test (ubuntu-latest, 9.0, 1, 0, 0, 0, 0)	1m 42s
test (ubuntu-latest, 9.0, 1, 0, 0, 1, 0)	1m 48s
test (ubuntu-latest, 9.0, 1, 0, 1, 0, 0)	2m 10s
test (ubuntu-latest, 9.0, 1, 0, 1, 1, 0)	1m 43s
test (ubuntu-latest, 9.0, 1, 1, 0, 0, 0)	2m 42s
test (ubuntu-latest, 9.0, 1, 1, 0, 1, 0)	2m 14s
test (ubuntu-latest, 9.0, 1, 1, 1, 0, 0)	2m 25s
test (ubuntu-latest, 9.0, 1, 1, 1, 1, 0)	2m 48s
test (ubuntu-latest, 16.0, 1, 0, 0, 0, 0)	4m 10s
test (ubuntu-latest, 16.0, 1, 0, 0, 1, 0)	4m 31s
test (ubuntu-latest, 16.0, 1, 0, 1, 0, 0)	3m 58s
test (ubuntu-latest, 16.0, 1, 0, 1, 1, 0)	4m 33s
test (ubuntu-latest, 16.0, 1, 1, 0, 0, 0)	5m 12s
test (ubuntu-latest, 16.0, 1, 1, 0, 1, 0)	5m 13s
test (ubuntu-latest, 16.0, 1, 1, 1, 0, 0)	4m 50s
test (ubuntu-latest, 16.0, 1, 1, 1, 1, 0)	4m 42s
test (ubuntu-latest, 16.0, 0, 0, 1)	1m 50s
test (macos-12, 9.0, 0, 0, 0)	1m 31s
success	1s
	1h 2m 42s

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