Update contribution guide, move all checks to tox #1162
| Job | Run time |
|---|---|
| 43s | |
| 25s | |
| 11s | |
| 2m 45s | |
| 2m 37s | |
| 2m 33s | |
| 3m 1s | |
| 1m 33s | |
| 2m 45s | |
| 2m 35s | |
| 1m 30s | |
| 2m 50s | |
| 1m 51s | |
| 2m 21s | |
| 1m 28s | |
| 2m 43s | |
| 2m 31s | |
| 1m 50s | |
| 2m 52s | |
| 1m 48s | |
| 5m 8s | |
| 1m 51s | |
| 1m 29s | |
| 2m 38s | |
| 5m 3s | |
| 2m 1s | |
| 1m 21s | |
| -1s | |
| 3s | |
| 1h 0m 25s |