GH-127705: Use _PyStackRefs in the default build.
#2824
| Job | Run time |
|---|---|
| 8m 11s | |
| 12m 36s | |
| 19m 25s | |
| 11m 29s | |
| 20m 3s | |
| 11m 51s | |
| 5m 26s | |
| 6m 50s | |
| 11m 7s | |
| 9m 5s | |
| 9m 38s | |
| 9m 45s | |
| 9m 2s | |
| 5m 55s | |
| 9m 58s | |
| 7m 23s | |
| 2h 47m 44s |