chore(version): bump version for v2 #2149

Job	Run time
test / test-dart-vm (3.3.0)	1m 29s
test / test-dart-vm (stable)	1m 39s
dart2js_test / test-dart-2js (3.3.0, chrome)	1m 53s
ddc_test / test-dart-ddc (3.3.0, chrome)	2m 22s
dart2js_test / test-dart-2js (3.3.0, firefox)	2m 10s
ddc_test / test-dart-ddc (3.3.0, firefox)	2m 9s
dart2js_test / test-dart-2js (stable, chrome)	1m 48s
ddc_test / test-dart-ddc (stable, chrome)	2m 10s
dart2js_test / test-dart-2js (stable, firefox)	2m 3s
ddc_test / test-dart-ddc (stable, firefox)	2m 19s
native_test / test-dart-native (macos-latest)	1m 16s
native_test / test-dart-native (windows-latest)	2m 58s
	24m 16s

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