Update project version to : `2.4.4-SNAPSHOT` #4139

Job	Run time
Test with MariaDB	3m 24s
Test with MySQL	4m 0s
Test with Java 11	3m 12s
Run examples in 'session-example' on MySQL	2m 0s
Test with PostgreSQL	3m 20s
Run examples in 'session-example' on PostgreSQL	1m 47s
Test with Java 17	3m 8s
Test with MSSQLServer	3m 37s
Run examples in 'native-sql-example' on PostgreSQL	1m 52s
Test with Java 20	3m 19s
Test with CockroachDB	6m 16s
Test with Java 21	3m 11s
Test with Db2	5m 11s
Test with Java 23	3m 8s
Test with Oracle	5m 29s
Test with Java 24-ea	2m 54s
Test with Java 25-ea	3m 5s
	58m 53s

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