[Docs] - bulkCopyForBatchInsertBatchSize - Data type Specification leads to misunderstanding

## Driver version
Tested with 12.10.0

## SQL Server version
SQL Server 2022

## Client Operating System
Ubuntu

## Table schema
Provide the table schema to repro the issue.

## Problem description
The data type specification int[0..65535] leads to misunderstanding on the required value for this setting.
Batch Size is not limited to 65535

