Update contribution guide, move all checks to tox #1160
| Job | Run time |
|---|---|
| 44s | |
| 13s | |
| 27s | |
| 2m 47s | |
| 3m 4s | |
| 2m 49s | |
| 3m 4s | |
| 2m 32s | |
| 3m 15s | |
| 2m 47s | |
| 2m 40s | |
| 1m 34s | |
| 1m 54s | |
| 1m 19s | |
| 1m 56s | |
| 5m 43s | |
| 2m 4s | |
| 2m 4s | |
| 5m 18s | |
| 3m 11s | |
| 1m 52s | |
| 2m 42s | |
| 2m 21s | |
| 2m 42s | |
| 1m 18s | |
| 1m 21s | |
| 2m 13s | |
| 2m 20s | |
| 1m 59s | |
| 2m 20s | |
| 3m 6s | |
| 2m 45s | |
| 1m 39s | |
| 0s | |
| 6s | |
| 1h 18m 9s |