Enable pytest failures on warnings on FutureWarnings (Replace deprecated `geopandas.dataset` module)

[mroeschke]

Description

Continuing the effort in https://github.com/rapidsai/build-planning/issues/26 by enabling FutureWarnings and DeprecationWarnings to raise errors in the CI.

The primary change here is to replace geopandas.dataset usage with the files used (the data in https://github.com/geopandas/geopandas/tree/main/geopandas/tests/data)

Checklist

• [ ] I am familiar with the Contributing Guidelines.
• [ ] New or existing tests cover these changes.
• [ ] The documentation is up to date with these changes.