[Python] ParquetDataset deprecation: change Deprecation to FutureWarnings #31530
Description
We are currently using DeprecationWarnings for the deprecations, but now they are already there for some time, we can change this to the more user-visible FutureWarning.
Reporter: Joris Van den Bossche / @jorisvandenbossche
Assignee: Joris Van den Bossche / @jorisvandenbossche
PRs and other links:
Note: This issue was originally created as ARROW-16120. Please see the migration documentation for further details.