Simplify dev tooling, remove colorcet examples, drop 3.7, add 3.12
#223
| Job | Run time |
|---|---|
| 17s | |
| 1m 35s | |
| 1m 42s | |
| 1m 46s | |
| 1m 42s | |
| 1m 28s | |
| 2m 2s | |
| 2m 35s | |
| 2m 54s | |
| 2m 41s | |
| 3m 45s | |
| 3m 48s | |
| 2m 47s | |
| 3m 46s | |
| 3m 9s | |
| 3m 27s | |
| 3m 48s | |
| 3m 27s | |
| 3m 53s | |
| 50m 32s |