chore(deps): Bump actions/checkout from 3.5.3 to 4.0.0 #1170

Job	Run time
test / test-dart-vm (3.0.1)	3m 38s
test / test-dart-vm (stable)	3m 48s
native_test / test-dart-native (macos-latest)	2m 41s
native_test / test-dart-native (windows-latest)	3m 12s
dart2js_test / test-dart-2js (3.0.1, chrome)	2m 45s
ddc_test / test-dart-ddc (3.0.1, chrome)	3m 3s
dart2js_test / test-dart-2js (3.0.1, firefox)	3m 16s
ddc_test / test-dart-ddc (3.0.1, firefox)	3m 0s
dart2js_test / test-dart-2js (stable, chrome)	2m 42s
ddc_test / test-dart-ddc (stable, chrome)	2m 35s
dart2js_test / test-dart-2js (stable, firefox)	3m 11s
ddc_test / test-dart-ddc (stable, firefox)	2m 47s
	36m 38s

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