Add AltLeaf support to tapfreighter #3553

Job	Run time
Compilation check	59s
Format check	21s
cross compilation	4m 52s
Docker build check	3m 50s
run itests	9m 29s
run itests postgres	17m 56s
Lint check	2m 57s
migration version check	16s
go mod check	23s
RPC check	1m 15s
run LiT tests	12m 20s
sample configuration check	41s
Sqlc check	31s
test vector check	53s
run unit tests (unit-race)	12m 42s
run unit tests (unit-cover)	3m 17s
run unit tests (unit dbbackend=postgres)	6m 12s
finish	4s
	1h 18m 58s

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