HIVE-28520: Upgrade to datasketches 2.0.0

[zhangbutao]

What changes were proposed in this pull request?

Upgrade datasketches-hive 1.2.0 to datasketches-hive 2.0.0. And upgrade datasketches-java 3.1.0 to datasketches-java 6.0.0.

BTW, most of code changes is related to the new version 6.0.0 of datasketches-java

Why are the changes needed?

Does this PR introduce any user-facing change?

No

Is the change a dependency upgrade?

Yes. dependency_upgrade.txt

How was this patch tested?

Existing Uts.