Use maturin as a build backend and improve github workflows
#124
| Job | Run time |
|---|---|
| 18s | |
| 5m 31s | |
| 10m 26s | |
| 4m 58s | |
| 7m 27s | |
| 11m 43s | |
| 5m 57s | |
| 5m 16s | |
| 5m 3s | |
| 56m 39s |