run Process#waitFor on virtual thread if available
#5260
| Job | Run time |
|---|---|
| 2m 52s | |
| 6m 8s | |
| 5m 7s | |
| 0s | |
| 10m 41s | |
| 7m 26s | |
| 7m 26s | |
| 2m 31s | |
| 6m 9s | |
| 7m 24s | |
| 7m 27s | |
| 7m 9s | |
| 7m 25s | |
| 7m 24s | |
| 7m 25s | |
| 0s | |
| 1h 32m 34s |