Change development version to 4.1.0-SNAPSHOT #4959

Job	Run time
Run examples in 'session-example' on PostgreSQL	2m 5s
Test with MySQL	4m 5s
Run examples in 'session-example' on MySQL	2m 8s
Test with MSSQLServer	4m 5s
Run examples in 'native-sql-example' on PostgreSQL	1m 56s
Test with CockroachDB	5m 29s
Test with Db2	5m 26s
Test with Java 21	3m 36s
Test with Java 24	3m 31s
Test with Java 17	3m 45s
Test with Java 26-ea	3m 39s
Test with PostgreSQL	3m 32s
Test with Java 20	3m 29s
Test with MariaDB	3m 26s
Test with Java 25-ea	3m 48s
Test with Oracle	4m 52s
	58m 52s

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