v2.1.2

What's Changed

• [KuhnPoker] Update docs by @sotetsuk in #1197
• [Backgammon] Fix deprecated a_min and a_max by @sotetsuk in #1201
• [LeducHoldem] suppress warnings in tests by @sotetsuk in #1202
• [MinAtar] Restore MinAtar tests by @sotetsuk in #1203
• [MinAtar] make minatar submodule by @sotetsuk in #1204
• [BridgeBidding] Update version by @sotetsuk in #1206

Full Changelog: v2.1.1...v2.1.2