[#2309] Add JDK 26-ea to the build #4695

Job	Run time
Run examples in 'session-example' on PostgreSQL	1m 57s
Run examples in 'native-sql-example' on PostgreSQL	1m 58s
Test with PostgreSQL	3m 48s
Test with MariaDB	3m 59s
Test with MySQL	4m 43s
Run examples in 'session-example' on MySQL	2m 1s
Test with MSSQLServer	4m 6s
Test with Java 20	3m 30s
Test with Java 24	3m 25s
Test with Java 17	3m 29s
Test with Db2	5m 26s
Test with Java 21	3m 25s
Test with CockroachDB	5m 45s
Test with Java 26-ea	3m 52s
Test with Java 25-ea	3m 24s
Test with Oracle	5m 18s
	1h 0m 6s

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