branch: merge 0.18 staging branch into master #11642

Job	Run time
cross compilation	19m 18s
check commits	57m 47s
lint code	8m 50s
check pinned dependencies (google.golang.org/grpc v1.53.0)	5s
check release notes updated	4s
check pinned dependencies (github.com/golang/protobuf v1.5.2)	7s
RPC and mobile compilation check	2m 33s
sample configuration check	1m 10s
Sqlc check	26s
run ubuntu itests (btcd, backend=btcd)	48m 59s
run unit tests (btcd unit-cover)	18m 23s
run ubuntu itests (bitcoind, backend=bitcoind)	1h 1m 28s
run windows itest	1h 1m 58s
run ubuntu itests (bitcoind-notxindex, backend="bitcoind notxindex")	1h 0m 49s
run unit tests (unit tags="kvdb_etcd")	20m 17s
run ubuntu itests (bitcoind-rpcpolling, backend="bitcoind rpcpolling")	1h 1m 59s
run unit tests (unit tags="kvdb_postgres")	21m 3s
run ubuntu itests (bitcoind-etcd, backend=bitcoind dbbackend=etcd)	1h 16m 50s
run unit tests (unit tags="kvdb_sqlite")	17m 16s
run ubuntu itests (bitcoind-postgres, backend=bitcoind dbbackend=postgres)	1h 45m 18s
run unit tests (btcd unit-race)	40m 48s
run ubuntu itests (bitcoind-sqlite, backend=bitcoind dbbackend=sqlite)	1h 4m 40s
run unit tests (unit-module)	53s
run ubuntu itests (neutrino, backend=neutrino)	1h 1m 10s
	13h 32m 11s

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