Remove dependencies upper bounds constraints

[aliberts]

What this does

Remove upper bounds contraints on most dependencies (except torch and mujoco).

Related:

• https://github.com/huggingface/gym-pusht/pull/10
• https://github.com/huggingface/gym-xarm/pull/8
• https://github.com/huggingface/gym-aloha/pull/3
• https://github.com/huggingface/gym-pusht/pull/11

How it was tested

Using the regular testing suite Additionally, did a build/test cycle to make sure everything runs ok: https://github.com/huggingface/lerobot/actions/runs/9001567510