Redbrick-sdk

- Bug fix: If RedBrick AI polygon segmentation holes/regions have only 2 vertices, ignore for PNG mask export.
- Feature: Fill holes on segmentation mask PNG export.

What's Changed
* Active learning upgrade by dereklukacs in https://github.com/redbrick-ai/redbrick-sdk/pull/48
* Active learning v2 by dereklukacs in https://github.com/redbrick-ai/redbrick-sdk/pull/49


**Full Changelog**: https://github.com/redbrick-ai/redbrick-sdk/compare/0.5.12...0.6.1

Updating matplotlib package.

Support for PNG export format for segmentation projects.

**Full Changelog**: https://github.com/redbrick-ai/redbrick-sdk/compare/0.5.8...0.5.9