Bump actions/setup-node from 2 to 4 #201

Job	Run time
Unit tests	3m 45s
Build for Linux (linux, amd64)	1m 52s
Linting	2m 11s
Build for Linux (linux, 386)	1m 45s
Build for Windows (windows, amd64)	2m 15s
WASM build test	0s
Initial tests passed	1s
Integration tests	4m 46s
Upgrade tests from HEAD-2	7m 21s
Upgrade tests	7m 1s
Complement (SQLite native)	3m 57s
Complement (SQLite Cgo)	4m 28s
Sytest (SQLite native)	4m 28s
Complement (PostgreSQL)	9m 22s
Sytest (SQLite Cgo)	4m 28s
Sytest (PostgreSQL)	5m 55s
Integration tests passed	2s
Update Docker images	0s
	1h 3m 37s

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