feat(core): update storage outputs class for multi-bucket support #3659

Job	Run time
test / test-dart-vm (3.3.0)	2m 12s
test / test-dart-vm (stable)	2m 4s
ddc_test / test-dart-ddc (3.3.0, chrome)	3m 44s
ddc_test / test-dart-ddc (3.3.0, firefox)	3m 49s
dart2js_test / test-dart-2js (3.3.0, chrome)	4m 20s
ddc_test / test-dart-ddc (stable, chrome)	4m 11s
native_test / test-dart-native (macos-14)	1m 25s
ddc_test / test-dart-ddc (stable, firefox)	4m 6s
dart2js_test / test-dart-2js (3.3.0, firefox)	4m 24s
native_test / test-dart-native (windows-latest)	4m 5s
dart2js_test / test-dart-2js (stable, chrome)	3m 56s
dart2js_test / test-dart-2js (stable, firefox)	4m 9s
	42m 25s

Provide feedback