feat(core): add storage bucket type #3120

Job	Run time
test / test-dart-vm (3.3.0)	3m 49s
test / test-dart-vm (stable)	3m 37s
dart2js_test / test-dart-2js (3.3.0, chrome)	7m 6s
dart2js_test / test-dart-2js (3.3.0, firefox)	7m 29s
dart2js_test / test-dart-2js (stable, chrome)	6m 46s
ddc_test / test-dart-ddc (3.3.0, chrome)	5m 33s
dart2js_test / test-dart-2js (stable, firefox)	7m 17s
ddc_test / test-dart-ddc (3.3.0, firefox)	6m 5s
ddc_test / test-dart-ddc (stable, chrome)	5m 38s
ddc_test / test-dart-ddc (stable, firefox)	5m 40s
native_test / test-dart-native (macos-14)	2m 40s
native_test / test-dart-native (windows-latest)	5m 27s
	1h 7m 7s

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