Add code coverage to bindgen #1664

Job	Run time
docs	31s
coverage	2m 10s
minimal	14s
check-cfg	35s
msrv	2m 6s
quickchecking	28s
rustfmt-clippy	47s
test (ubuntu-latest, 5.0, 1, 0, 0, 0, 0)	2m 39s
test (ubuntu-latest, 5.0, 1, 0, 0, 1, 0)	3m 19s
test (ubuntu-latest, 5.0, 1, 0, 1, 0, 0)	2m 32s
test (ubuntu-latest, 5.0, 1, 0, 1, 1, 0)	3m 16s
test (ubuntu-latest, 5.0, 1, 1, 0, 0, 0)	4m 25s
test (ubuntu-latest, 5.0, 1, 1, 0, 1, 0)	4m 34s
test (ubuntu-latest, 5.0, 1, 1, 1, 0, 0)	3m 34s
test (ubuntu-latest, 5.0, 1, 1, 1, 1, 0)	4m 3s
test (ubuntu-latest, 9.0, 1, 0, 0, 0, 0)	2m 47s
test (ubuntu-latest, 9.0, 1, 0, 0, 1, 0)	3m 2s
test (ubuntu-latest, 9.0, 1, 0, 1, 0, 0)	3m 15s
test (ubuntu-latest, 9.0, 1, 0, 1, 1, 0)	2m 53s
test (ubuntu-latest, 9.0, 1, 1, 0, 0, 0)	5m 12s
test (ubuntu-latest, 9.0, 1, 1, 0, 1, 0)	3m 49s
test (ubuntu-latest, 9.0, 1, 1, 1, 0, 0)	5m 11s
test (ubuntu-latest, 9.0, 1, 1, 1, 1, 0)	4m 25s
test (ubuntu-latest, 9.0, 0, 0, 1)	2m 7s
test (macos-latest, 9.0, 0, 0, 0)	2m 6s
test-book	13s
test-expectations (ubuntu-latest)	1m 55s
test-expectations (macos-latest)	3m 48s
	1h 15m 56s

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