.github: update upload-artifact action to v4 #3658

Job	Run time
Docker build check	3m 38s
Format check	25s
cross compilation	3m 10s
Compilation check	29s
run itests	9m 16s
run itests postgres	17m 40s
Lint check	2m 9s
migration version check	15s
go mod check	21s
run LiT tests	47s
RPC check	1m 19s
sample configuration check	25s
Sqlc check	2m 42s
test vector check	43s
run unit tests (unit-race)	12m 10s
run unit tests (unit-cover)	2m 3s
run unit tests (unit dbbackend=postgres)	6m 18s
finish	5s
	1h 3m 55s

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