What's Changed
* Fixing GitHub Actions and adding an environment.yml by mikaem in https://github.com/spectralDNS/shenfun/pull/102
* Pypi - use pip instead of conda build by mikaem in https://github.com/spectralDNS/shenfun/pull/103
**Full Changelog**: https://github.com/spectralDNS/shenfun/compare/4.1.4...4.2.0