Update project version to : `3.1.3-SNAPSHOT` #5092

Job	Run time
Run examples in 'session-example' on PostgreSQL	2m 9s
Run examples in 'native-sql-example' on PostgreSQL	2m 11s
Run examples in 'session-example' on MySQL	2m 13s
Test with MySQL	4m 25s
Test with MariaDB	4m 1s
Test with PostgreSQL	3m 44s
Test with MSSQLServer	4m 28s
Test with Java 20	3m 25s
Test with Java 25-ea	3m 46s
Test with CockroachDB	5m 56s
Test with Oracle	5m 34s
Test with Java 24	3m 36s
Test with Java 26-ea	3m 50s
Test with Db2	5m 25s
Test with Java 21	3m 39s
Test with Java 17	3m 44s
	1h 2m 6s

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