Streamtracer

What's Changed
* Improve performance by removing an expensive heap allocation by Cadair in https://github.com/sunpy/streamtracer/pull/150

New Contributors
* nabobalis made their first contribution in https://github.com/sunpy/streamtracer/pull/144

**Full Changelog**: https://github.com/sunpy/streamtracer/compare/v2.1.0...v2.2.0

What's Changed

Features

* Implement parallelism using rayon by Cadair in https://github.com/sunpy/streamtracer/pull/110
* Build more wheels by Cadair in https://github.com/sunpy/streamtracer/pull/138

Infrastructure

* Merge in sunpy package template by Cadair in https://github.com/sunpy/streamtracer/pull/111
* Fix RTD by Cadair in https://github.com/sunpy/streamtracer/pull/119
* Add a rust linter and formatter (Take 2) by Cadair in https://github.com/sunpy/streamtracer/pull/137
* Improve PyPI metadata by Cadair in https://github.com/sunpy/streamtracer/pull/139
* Update maturin by Cadair in https://github.com/sunpy/streamtracer/pull/140

New Contributors
* Cadair made their first contribution in https://github.com/sunpy/streamtracer/pull/111

**Full Changelog**: https://github.com/sunpy/streamtracer/compare/2.0.1...v2.1.0