arrow

ARROW-8657: [C++][Python] Add separate configuration for data pages

- Adds a separate write config to determine which version of
  data page to use.
- Plumb this throught to python.
- At the moment version and data page version are completely
  independent.

Closes #7089 from emkornfield/ARROW-8657

Lead-authored-by: Micah Kornfield <emkornfield@gmail.com>
Co-authored-by: Wes McKinney <wesm+git@apache.org>
Signed-off-by: Wes McKinney <wesm+git@apache.org>