Replace pkg_resources with importlib and add python 3.13 to test suite.
#1171
| Job | Run time |
|---|---|
| 1m 28s | |
| 2m 42s | |
| 30s | |
| 2m 51s | |
| 1m 47s | |
| 1m 4s | |
| 3m 41s | |
| 1m 35s | |
| 1m 50s | |
| 0s | |
| 17m 28s |