Merge pull request #2425 from nervosnetwork/testnet #207

Job	Run time
build / build	1m 21s
deploy-update (ckb-explorer-blocksyncer) / deploy	5s
deploy-update (ckb-explorer-api) / deploy	3s
deploy-update (ckb-explorer-poolsyncer) / deploy	3s
deploy-update (ckb-explorer-scheduler) / deploy	2s
deploy-update (ckb-explorer-worker) / deploy	3s
	1m 37s

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