What's Changed
* Make lithops optional for running tests by tomwhite in https://github.com/tomwhite/cubed/pull/169
* Optional dependency specification and pyproject.toml cleanup by TomNicholas in https://github.com/tomwhite/cubed/pull/168
* Use requirements file from Array API tests repo by tomwhite in https://github.com/tomwhite/cubed/pull/172
* Fix modal tests (env must not contain beam or lithops dependencies) by tomwhite in https://github.com/tomwhite/cubed/pull/173
**Full Changelog**: https://github.com/tomwhite/cubed/compare/0.6.1...0.6.2