Add `GroupKeyReveal` V1 #3596

Job	Run time
RPC check	4m 31s
test vector check	4m 19s
Compilation check	5m 5s
cross compilation	16m 40s
migration version check	13s
Docker build check	3m 40s
go mod check	3m 33s
sample configuration check	4m 40s
Sqlc check	37s
Format check	3m 39s
run itests	12m 55s
run itests postgres	20m 49s
Lint check	3m 3s
run LiT tests	4m 0s
run unit tests (unit-race)	12m 2s
run unit tests (unit-cover)	7m 49s
run unit tests (unit dbbackend=postgres)	5m 36s
finish	7s
	1h 53m 18s

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