Merge pull request #594 from lightninglabs/load-test-rpc-proof-courier #1654

Job	Run time
Compilation check	41s
Format check	40s
Docker build check	5m 7s
cross compilation	16m 53s
run itests	10m 28s
run itests postgres	14m 22s
Lint check	2m 56s
go mod check	1m 9s
RPC check	2m 6s
Sqlc check	38s
test vector check	1m 28s
run unit tests (unit-race)	6m 19s
run unit tests (unit-cover)	5m 32s
run unit tests (unit dbbackend=postgres)	5m 47s
	1h 14m 6s

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