typing: Use Self from typing_extensions (#2494)
#4874
| Job | Run time |
|---|---|
| 7m 45s | |
| 7m 35s | |
| 9m 34s | |
| 9m 46s | |
| 13m 19s | |
| 13m 25s | |
| 8m 43s | |
| 10m 1s | |
| 7m 22s | |
| 7m 26s | |
| 12m 7s | |
| 13m 33s | |
| 2h 0m 36s |