Limit timezone testing to JDBC driver

[zhicwu]

This will cut build time in half.

[github-actions]

Benchmark                           (client)  (connection)  (statement)   Mode  Cnt    Score     Error  Units
Basic.insertOneRandomNumber  clickhouse-jdbc         reuse       normal  thrpt   20  242.051 ±  28.847  ops/s
Basic.insertOneRandomNumber  clickhouse-jdbc         reuse     prepared  thrpt   20  246.251 ±  26.232  ops/s
Basic.insertOneRandomNumber  clickhouse-jdbc           new       normal  thrpt   20  243.003 ±  25.387  ops/s
Basic.insertOneRandomNumber  clickhouse-jdbc           new     prepared  thrpt   20  244.267 ±  31.113  ops/s
Basic.selectOneRandomNumber  clickhouse-jdbc         reuse       normal  thrpt   20  714.826 ± 102.698  ops/s
Basic.selectOneRandomNumber  clickhouse-jdbc         reuse     prepared  thrpt   20  766.112 ±  51.568  ops/s
Basic.selectOneRandomNumber  clickhouse-jdbc           new       normal  thrpt   20  740.833 ± 108.650  ops/s
Basic.selectOneRandomNumber  clickhouse-jdbc           new     prepared  thrpt   20  700.075 ±  76.189  ops/s