Smaller environment/docker builds, leap second extension through mid 2024.
Maintenance
* dependency: drop `scikit-image` by scottstanie in https://github.com/insarlab/PySolid/pull/67
* dependency: drop `matplotlib` by yunjunz in https://github.com/insarlab/PySolid/pull/69
* build(deps): bump pypa/cibuildwheel from 2.12.1 to 2.14.1 by dependabot in https://github.com/insarlab/PySolid/pull/57, https://github.com/insarlab/PySolid/pull/60, https://github.com/insarlab/PySolid/pull/62, https://github.com/insarlab/PySolid/pull/63
* `pyproject.toml`: add dynamic requirements from file by scottstanie in https://github.com/insarlab/PySolid/pull/71
* update leap sec to Jun 2024 by yunjunz in https://github.com/insarlab/PySolid/pull/68
* `circleci`: use `mambaforge` by yunjunz in https://github.com/insarlab/PySolid/pull/58
* add `docs/images/set*.png` files by yunjunz in https://github.com/insarlab/PySolid/pull/59
Full Changelog: https://github.com/insarlab/PySolid/compare/v0.3.0...v0.3.1