Release v0.4.1

What's Changed

• chore(dependecies): Bump lerobot to 0.4.1 by @imstevenpmwork in #2299
• docs(readme): update installation instructions for 0.4.0 by @imstevenpmwork in #2310
• docs(install): improve groot and libero installation instructions by @imstevenpmwork in #2314
• fix(video_key typo): fixing video_key typo in update_video_info by @CarolinePascal in #2323
• fix(make_policy): rename mapping edge cases in training by @jadechoghari in #2332
• dep(upgrade): add libero as a pypi package by @jadechoghari in #2365
• feat(sim): EnvHub - allow loading envs from the hub by @jadechoghari in #2121
• fix(dataset_tools) Critical bug in modify features by @michel-aractingi in #2342
• fix(dataset): fix data access bottleneck for faster training by @imstevenpmwork in #2408
• chore(installation): remove libero installation patch by @imstevenpmwork in #2416

Full Changelog: v0.4.0...v0.4.1