Run `blockbeat` PRs as a whole #381

Job	Run time
run windows itest	3m 24s
lint code	3m 32s
run macOS itest	3m 38s
run ubuntu itests (btcd, backend=btcd cover=1)	3m 33s
run ubuntu itests (bitcoind, backend=bitcoind cover=1)	3m 33s
run ubuntu itests (bitcoind-notxindex, backend="bitcoind notxindex")	3m 32s
run ubuntu itests (bitcoind-rpcpolling, backend="bitcoind rpcpolling" cover=1)	3m 32s
run ubuntu itests (bitcoind-etcd, backend=bitcoind dbbackend=etcd)	3m 33s
run ubuntu itests (bitcoind-postgres, backend=bitcoind dbbackend=postgres)	3m 34s
run ubuntu itests (bitcoind-sqlite, backend=bitcoind dbbackend=sqlite)	3m 33s
run ubuntu itests (bitcoind-postgres-nativesql, backend=bitcoind dbbackend=postgres nativesql=true)	3m 33s
run ubuntu itests (bitcoind-sqlite-nativesql, backend=bitcoind dbbackend=sqlite nativesql=true)	3m 32s
run ubuntu itests (neutrino, backend=neutrino cover=1)	3m 32s
finish	3s
	46m 4s

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