Upgrade Hibernate ORM to 6.3.0.Final #3533

Job	Run time
Run examples in 'session-example' on MySQL	1m 48s
Run examples in 'session-example' on PostgreSQL	2m 20s
Run examples in 'native-sql-example' on PostgreSQL	1m 48s
Test with MariaDB	1m 35s
Test with MySQL	31s
Test with PostgreSQL	4s
Test with MSSQLServer	1m 9s
Test with CockroachDB	1m 22s
Test with Db2	1m 44s
Test with Oracle	30s
Release	0s
Test with Java 11	1s
Test with Java 17	1s
Test with Java 20	1s
Test with Java 21-ea	1s
Test with Java 22-ea	1s
Create snapshot	0s
	12m 56s

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