chore(all): remove `once_cell` #6904

Job	Run time
run_checker / changes	3s
cli / build-and-push	1m 38s
composer / build-and-push	1m 39s
conductor / build-and-push	2m 41s
evm-bridge-withdrawer / build-and-push	1m 15s
sequencer / build-and-push	1m 48s
sequencer-relayer / build-and-push	1m 32s
smoke-test	3m 5s
smoke-cli	2m 45s
ibc-bridge-test	4m 56s
docker / success	1s
	21m 23s

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