Inherit module versions from root `pom.xml`

The module versions shouldn't be hard-coded. See https://github.com/streamshub/flink-sql/pull/101#discussion_r2303361611.

https://github.com/streamshub/flink-sql/blob/12f2e9689c36efdacf72953697b86aee7db95c92/flink-sql-runner/pom.xml#L9

https://github.com/streamshub/flink-sql/blob/12f2e9689c36efdacf72953697b86aee7db95c92/flink-sql-runner-dist/pom.xml#L9