Tests

Run mdbook-linkcheck #1237

Job	Run time
book	18s
build (macOS-latest, stable)	1m 47s
release-binary	26s
build (macOS-latest, nightly)	2m 34s
build (macOS-latest, 1.70)	5m 49s
build (ubuntu-latest, stable)	1m 14s
build (ubuntu-latest, nightly)	1m 53s
build (ubuntu-latest, 1.70)	1m 29s
build (windows-latest, stable)	2m 18s
build (windows-latest, nightly)	3m 30s
build (windows-latest, 1.70)	2m 30s
pr-mutants	14s
cargo-mutants (0)	8m 51s
cargo-mutants (1)	8m 26s
cargo-mutants (2)	9m 8s
cargo-mutants (3)	9m 5s
cargo-mutants (4)	9m 36s
cargo-mutants (5)	7m 35s
cargo-mutants (6)	9m 25s
cargo-mutants (7)	8m 40s
	1h 34m 48s

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