Add clang 21 to linux CI and update actions/checkout #183
| Job | Run time |
|---|---|
| 7m 5s | |
| 6m 40s | |
| 8m 30s | |
| 4m 49s | |
| 6m 38s | |
| 6m 48s | |
| 6m 48s | |
| 6m 11s | |
| 4m 59s | |
| 6m 17s | |
| 7m 17s | |
| 6m 38s | |
| 1h 18m 40s |
| Job | Run time |
|---|---|
| 7m 5s | |
| 6m 40s | |
| 8m 30s | |
| 4m 49s | |
| 6m 38s | |
| 6m 48s | |
| 6m 48s | |
| 6m 11s | |
| 4m 59s | |
| 6m 17s | |
| 7m 17s | |
| 6m 38s | |
| 1h 18m 40s |