Upgrade to Datafusion 31.0.0 (#491)

* Upgrade to Datafusion 30.0.0

* Upgrade to Datafusion 31.0.0-rc1

* Upgrade `object_store` to match Datafusion

* Fix incompatibilities with Datafusion 31.0.0

* Add `schema` and `file_sort_order` to `read/register_parquet`

* Upgrade to Datafusion 31.0.0

Author: judahrand