[#2309] Add JDK 26-ea to the build #4693

Job	Run time
Run examples in 'session-example' on PostgreSQL	2m 4s
Run examples in 'session-example' on MySQL	2m 16s
Test with MSSQLServer	4m 3s
Test with MariaDB	3m 51s
Test with PostgreSQL	3m 42s
Run examples in 'native-sql-example' on PostgreSQL	2m 2s
Test with CockroachDB	5m 56s
Test with MySQL	4m 16s
Test with Db2	5m 59s
Test with Java 17	3m 30s
Test with Oracle	5m 13s
Test with Java 20	3m 35s
Test with Java 24	3m 25s
Test with Java 21	3m 19s
Test with Java 26-ea	3m 26s
Test with Java 25-ea	3m 43s
	1h 0m 20s

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