chore(version): Bump version #1294

Job	Run time
test / test-dart-vm (3.0.1)	2m 24s
test / test-dart-vm (stable)	3m 11s
ddc_test / test-dart-ddc (3.0.1, chrome)	3m 29s
native_test / test-dart-native (macos-latest)	3m 39s
ddc_test / test-dart-ddc (3.0.1, firefox)	3m 27s
dart2js_test / test-dart-2js (3.0.1, chrome)	3m 17s
native_test / test-dart-native (windows-latest)	4m 39s
ddc_test / test-dart-ddc (stable, chrome)	3m 2s
dart2js_test / test-dart-2js (3.0.1, firefox)	3m 39s
ddc_test / test-dart-ddc (stable, firefox)	3m 38s
dart2js_test / test-dart-2js (stable, chrome)	3m 10s
dart2js_test / test-dart-2js (stable, firefox)	3m 5s
	40m 40s

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