Gymnasium v1.2.2

This is a minor update just to add Discrete.dtype and improve DictInfoToList

What changed

• Add Discrete.dtype parameter by @VadimBim in #1467
• Improve MultiDiscrete.dtype by @pseudo-rnd-thoughts in #1469
• Improve DictInfoToList to support vector info with missing binary key by @pseudo-rnd-thoughts in #1466

Thanks to Wispr for their support of the project

Full Changelog: v1.2.1...v1.2.2