OpenSpiel 2.0.2

This is a minor release for testing purposes. There are no substantial changes from 2.0.1.

Acknowledgments

Thanks to Google DeepMind for continued support of development and maintenance of OpenSpiel.

Thanks to all of our contributors:

• Core Team: https://github.com/deepmind/open_spiel/blob/master/docs/authors.md
• All Contributors: https://github.com/deepmind/open_spiel/graphs/contributors