[#2049] Update GitHub workflow cache action to v4 #4125

Job	Run time
Run examples in 'session-example' on MySQL	1m 52s
Run examples in 'session-example' on PostgreSQL	1m 47s
Test with MariaDB	3m 25s
Test with Java 11	3m 5s
Run examples in 'native-sql-example' on PostgreSQL	2m 5s
Test with MySQL	4m 9s
Test with PostgreSQL	3m 7s
Test with Java 17	3m 3s
Test with Java 20	3m 8s
Test with MSSQLServer	3m 38s
Test with Java 21	3m 11s
Test with CockroachDB	5m 38s
Test with Java 23	3m 18s
Test with Db2	5m 4s
Test with Java 24-ea	3m 20s
Test with Oracle	4m 50s
Test with Java 25-ea	3m 14s
	57m 54s

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