[Bug]: Reinforcement Learning day outdated

[agherasie]

Description

Gym has now moved to gymnasium, please update the imports and make sure everything is working !

What happened?

A bug happened!

Expected behaviour

This should happened!

Environment

• OS and version
• Branch that causes this bug

Steps to reproduce

• You have to do this!
• Then this!

Relevant log output

No response

Proposed solution

No response