fix(cardinality): converting cardinality storage and query types from int to long to avoid integer overflow

[sandeep6189]

Pull Request checklist

• [x] The commit(s) message(s) follows the contribution guidelines ?
• [x] Tests for the changes have been added (for bug fixes / features) ?
• [x] Docs have been added / updated (for bug fixes / features) ?

Current behavior : CardinalityValue and CardinalityRowReader store and retrieve the cardinality data using Int type. This is causing overflow issues for various _ns_ and _ws_ cardinality queries.

New behavior : Changing the above types from Int to Long

BREAKING CHANGES

Breaking changes may include:

• RESULT_SCHEMA changes for CardinalityResult