Beat [3/4]: prepare resolvers to handle the `blockbeat` #16864

Job	Run time
Sqlc check	2m 49s
check commits	5m 30s
cross compilation	20s
check pinned dependencies (google.golang.org/grpc v1.59.0)	4s
lint code	51s
RPC and mobile compilation check	3m 8s
check pinned dependencies (github.com/golang/protobuf v1.5.3)	4s
sample configuration check	1m 42s
run unit tests (btcd unit-cover)	4m 16s
run macOS itest	0s
run unit tests (unit tags="kvdb_etcd")	3m 37s
check release notes updated	0s
run unit tests (unit tags="kvdb_postgres")	2m 22s
run unit tests (unit tags="kvdb_sqlite")	16s
run ubuntu itests	0s
run windows itest	0s
run unit tests (btcd unit-race)	3m 6s
run unit tests (unit-module)	15s
finish	4s
	28m 24s

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