refactor(sequencer): provide storage and snapshot types #8370

Job	Run time
run_checker / changes	3s
composer / build-and-push	1m 19s
conductor / build-and-push	1m 37s
sequencer / build-and-push	2m 6s
cli / build-and-push	1m 37s
sequencer-relayer / build-and-push	1m 36s
evm-bridge-withdrawer / build-and-push	1m 21s
ibc-bridge-test	3m 44s
smoke-test	3m 3s
smoke-cli	2m 45s
ibc-no-native-asset-test	3m 21s
ibc-timeout-refund	4m 1s
docker / success	1s
	26m 34s

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