tapchannel: send+recv chunks of the input proof to stay under max msg limit #3621

Job	Run time
Compilation check	4m 53s
Docker build check	3m 41s
Format check	30s
cross compilation	15m 50s
run itests	12m 20s
run itests postgres	17m 56s
Lint check	2m 23s
migration version check	12s
go mod check	22s
RPC check	1m 23s
run LiT tests	10m 42s
sample configuration check	1m 9s
Sqlc check	41s
test vector check	1m 17s
run unit tests (unit-race)	11m 45s
run unit tests (unit-cover)	7m 24s
run unit tests (unit dbbackend=postgres)	5m 33s
finish	6s
	1h 38m 7s

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