gh-155717: use spawn as the default start method for read-only filesystems
#289658
| Job | Run time |
|---|---|
| 7s | |
| 6s | |
| 13s |
spawn as the default start method for read-only filesystems
#289658
| Job | Run time |
|---|---|
| 7s | |
| 6s | |
| 13s |