Update libc. #2382

Job	Run time
msrv	55s
minimal	11s
check-cfg	19s
docs	24s
quickchecking	27s
rustfmt-clippy	30s
test-book	9s
test-expectations (ubuntu-latest)	43s
test (ubuntu-latest, 9.0, 1, 0, 0, 0, 0)	1m 46s
test-expectations (macos-12)	1m 19s
test (ubuntu-latest, 9.0, 1, 0, 0, 1, 0)	1m 49s
test (ubuntu-latest, 9.0, 1, 0, 1, 0, 0)	2m 20s
test (ubuntu-latest, 9.0, 1, 0, 1, 1, 0)	2m 5s
test (ubuntu-latest, 9.0, 1, 1, 0, 0, 0)	2m 55s
test (ubuntu-latest, 9.0, 1, 1, 0, 1, 0)	2m 26s
test (ubuntu-latest, 9.0, 1, 1, 1, 0, 0)	2m 35s
test (ubuntu-latest, 9.0, 1, 1, 1, 1, 0)	2m 10s
test (ubuntu-latest, 16.0, 1, 0, 0, 0, 0)	4m 13s
test (ubuntu-latest, 16.0, 1, 0, 0, 1, 0)	4m 10s
test (ubuntu-latest, 16.0, 1, 0, 1, 0, 0)	4m 6s
test (ubuntu-latest, 16.0, 1, 0, 1, 1, 0)	4m 2s
test (ubuntu-latest, 16.0, 1, 1, 0, 0, 0)	5m 23s
test (ubuntu-latest, 16.0, 1, 1, 0, 1, 0)	5m 11s
test (ubuntu-latest, 16.0, 1, 1, 1, 0, 0)	4m 45s
test (ubuntu-latest, 16.0, 1, 1, 1, 1, 0)	4m 51s
test (ubuntu-latest, 16.0, 0, 0, 1)	1m 54s
test (macos-12, 9.0, 0, 0, 0)	1m 30s
success	1s
	1h 3m 9s

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