[#1095] Add missing comma to JenkinsFile #4142

Job	Run time
Run examples in 'session-example' on MySQL	1m 54s
Test with MariaDB	3m 21s
Run examples in 'session-example' on PostgreSQL	1m 54s
Test with MySQL	4m 10s
Run examples in 'native-sql-example' on PostgreSQL	1m 58s
Test with PostgreSQL	3m 20s
Test with MSSQLServer	3m 44s
Test with CockroachDB	6m 27s
Test with Db2	5m 31s
Test with Java 17	3m 18s
Test with Oracle	4m 51s
Test with Java 20	3m 10s
Test with Java 21	3m 15s
Test with Java 23	3m 30s
Test with Java 24-ea	3m 20s
Test with Java 25-ea	3m 23s
	57m 6s

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