[tapdb]: add script key type enum, run Golang based post migration checks #3410

Job	Run time
Compilation check	56s
Format check	31s
Docker build check	3m 37s
cross compilation	5m 2s
run itests	7m 20s
run itests postgres	14m 17s
Lint check	2m 46s
migration version check	15s
go mod check	25s
RPC check	1m 18s
run LiT tests	3m 51s
sample configuration check	46s
Sqlc check	2m 47s
test vector check	1m 5s
run unit tests (unit-race)	6m 59s
run unit tests (unit-cover)	3m 30s
run unit tests (unit dbbackend=postgres)	2m 54s
finish	5s
	58m 24s

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