Use maturin as a build backend and improve github workflows
#122
| Job | Run time |
|---|---|
| 17s | |
| 5m 39s | |
| 4m 52s | |
| 12m 15s | |
| 5m 30s | |
| 4m 35s | |
| 11m 51s | |
| 3m 56s | |
| 5m 11s | |
| 54m 6s |