Add AltLeaf support to tapfreighter #3561

Job	Run time
Format check	26s
Compilation check	48s
cross compilation	5m 12s
Docker build check	3m 35s
run itests	9m 37s
run itests postgres	18m 11s
Lint check	2m 43s
migration version check	10s
go mod check	21s
RPC check	1m 21s
run LiT tests	13m 16s
sample configuration check	48s
Sqlc check	40s
test vector check	1m 2s
run unit tests (unit-race)	11m 47s
run unit tests (unit-cover)	3m 11s
run unit tests (unit dbbackend=postgres)	6m 8s
finish	5s
	1h 19m 21s

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