Add `GroupKeyReveal` V1 #3620

Job	Run time
cross compilation	15m 20s
Docker build check	3m 34s
Compilation check	4m 56s
run itests	13m 55s
run itests postgres	21m 53s
Lint check	5m 58s
Format check	2m 37s
migration version check	10s
RPC check	3m 22s
run LiT tests	18m 47s
go mod check	2m 31s
sample configuration check	3m 55s
Sqlc check	4m 59s
test vector check	4m 8s
run unit tests (unit-race)	11m 26s
run unit tests (unit-cover)	6m 56s
run unit tests (unit dbbackend=postgres)	5m 46s
finish	5s
	2h 10m 18s

Provide feedback