[#2049] Update GitHub workflow cache action to v4 #4124

Job	Run time
Run examples in 'session-example' on MySQL	1m 43s
Test with MariaDB	3m 20s
Run examples in 'session-example' on PostgreSQL	1m 51s
Test with MySQL	4m 5s
Run examples in 'native-sql-example' on PostgreSQL	1m 45s
Test with Java 17	2m 58s
Test with PostgreSQL	3m 8s
Test with MSSQLServer	3m 36s
Test with Java 20	3m 4s
Test with CockroachDB	5m 48s
Test with Java 21	3m 4s
Test with Db2	4m 55s
Test with Java 23	3m 9s
Test with Oracle	4m 44s
Test with Java 24-ea	3m 5s
Test with Java 25-ea	3m 20s
	53m 35s

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