Pyspoa

Changed
- Default argument for `min_coverage` to `None`

Changed
- Updated SPOA to v4.1.2
Added
- `min_coverage` option recently introduced in SPOA

Changed
- Moved CI to internal infrastructure
- Added conda builds to CI
- Larger selection of wheels

Added
- Support for aarch64 in setup.py

Changed
- Python support: 3.6, 3.7, removed 3.10, added 3.11
- All package requirements removed in favour of build time requirements in pyproject.toml

Added
- Python 3.6+ wheels and source distribution