Merge pull request #2595 from nervosnetwork/testnet #244

Job	Run time
build / build	2m 0s
deploy-update (ckb-explorer-poolsyncer) / deploy	3s
deploy-update (ckb-explorer-api) / deploy	4s
deploy-update (ckb-explorer-scheduler) / deploy	4s
deploy-update (ckb-explorer-worker) / deploy	3s
deploy-update (ckb-explorer-blocksyncer) / deploy	4s
	2m 18s

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