Problem: proto-gen fails in CI #6002

Job	Run time
integration_tests (unmarked)	7m 55s
integration_tests (ibc)	7m 11s
integration_tests (ibc_rly_evm)	5m 27s
integration_tests (ibc_rly_gas)	4m 34s
integration_tests (ibc_timeout)	3m 49s
integration_tests (ibc_update_client)	4m 51s
integration_tests (ica)	8m 30s
integration_tests (gov)	4m 0s
integration_tests (upgrade)	5m 5s
integration_tests (slow)	6m 47s
integration_tests (gas)	5m 4s
upload-cache	0s
	1h 3m 13s

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