Merge pull request #1284 from lightninglabs/ExternalKey-PubKey-unit-test #3702

Job	Run time
cross compilation	5m 6s
Docker build check	3m 42s
Compilation check	47s
Format check	18s
run itests	10m 53s
Lint check	2m 43s
run itests postgres	19m 27s
migration version check	15s
go mod check	24s
RPC check	1m 8s
run LiT tests	14m 14s
sample configuration check	39s
Sqlc check	28s
test vector check	1m 14s
run unit tests (unit-race)	12m 43s
run unit tests (unit-cover)	3m 16s
run unit tests (unit dbbackend=postgres)	5m 56s
finish	5s
	1h 23m 18s

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