Fix IndexError and remove Manifest.ini

What's Changed

• Test Python 3.11 during GH Actions by @arvkevi in #140
• Updating references to the old default branch name by @arvkevi in #141
• Fix ci by @arvkevi in #143
• remove MANIFEST file, it is not used with hatch by @m-birke in #144
• Fix index error in online knee finding by @Shotgunosine in #145
• Bump version by @arvkevi in #146

New Contributors

• @m-birke made their first contribution in #144
• @Shotgunosine made their first contribution in #145

Full Changelog: v0.8.2...v0.8.3