Pin dependencies #275

Job	Run time
Cross-compile to aarch64	4m 46s
Build documentation (ubuntu-latest)	1m 51s
Build and test (all features) (ubuntu-latest, 1.66)	9m 5s
Build and test core crates (ubuntu-latest, 1.66)	9m 47s
Lint	55s
Build and test core crates (ubuntu-latest, stable)	2m 47s
Build and test (all features) (ubuntu-latest, stable)	3m 57s
cargo-compare extended tests (ubuntu-latest)	1m 52s
Build and test core crates (macos-latest, 1.66)	9m 48s
Build and test (all features) (macos-latest, 1.66)	5m 35s
cargo-compare extended tests (macos-latest)	2m 55s
Build and test core crates (macos-latest, stable)	5m 41s
Build and test (all features) (macos-latest, stable)	5m 16s
Build and test core crates (windows-latest, 1.66)	12m 42s
Build and test (all features) (windows-latest, 1.66)	11m 0s
Build and test core crates (windows-latest, stable)	9m 12s
Build and test (all features) (windows-latest, stable)	10m 28s
	1h 47m 37s

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