[ci] [R-package] add CI job using clang-20 (#6837) #9678
| Job | Run time |
|---|---|
| 9m 8s | |
| 9m 3s | |
| 9m 53s | |
| 10m 48s | |
| 11m 47s | |
| 14m 30s | |
| 24m 19s | |
| 27m 56s | |
| 12m 4s | |
| 13m 2s | |
| 12m 24s | |
| 16m 28s | |
| 15m 44s | |
| 11m 32s | |
| 10m 24s | |
| 29m 53s | |
| 12m 1s | |
| 12m 38s | |
| 10m 3s | |
| 9m 30s | |
| 11m 18s | |
| 12m 30s | |
| 12m 49s | |
| 1s | |
| 5h 19m 45s |