[#2043] Upgrade Hibernate ORM to 6.6.4.Final #4118

Job	Run time
Test with MariaDB	3m 15s
Run examples in 'session-example' on MySQL	2m 2s
Test with Java 11	3m 12s
Test with MySQL	4m 3s
Run examples in 'session-example' on PostgreSQL	1m 52s
Test with Java 17	3m 5s
Run examples in 'native-sql-example' on PostgreSQL	1m 51s
Test with PostgreSQL	3m 3s
Test with Java 20	2m 58s
Test with MSSQLServer	3m 45s
Test with Java 21	3m 15s
Test with CockroachDB	5m 33s
Test with Java 23	3m 7s
Test with Db2	4m 51s
Test with Oracle	4m 37s
Test with Java 24-ea	3m 17s
Test with Java 25-ea	3m 24s
	57m 10s

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