ci: Use actions/checkout@v4, not v1 or v2.
#222
| Job | Run time |
|---|---|
| 15s | |
| 29s | |
| 2m 14s | |
| 2m 58s |
actions/checkout@v4, not v1 or v2.
#222
| Job | Run time |
|---|---|
| 15s | |
| 29s | |
| 2m 14s | |
| 2m 58s |