builder: use github as libisl mirror for ct-ng #1086
| Job | Run time |
|---|---|
| 37m 35s | |
| 1h 3m 44s | |
| 9m 55s | |
| 16m 6s | |
| 57m 2s | |
| 10m 12s | |
| 15m 2s | |
| 15m 46s | |
| 52m 20s | |
| 58m 20s | |
| 14m 26s | |
| 26m 56s | |
| 1h 8m 27s | |
| 15m 45s | |
| 1h 7m 5s | |
| 14m 15s | |
| 15m 4s | |
| 1h 8m 1s | |
| 13m 37s | |
| 16m 6s | |
| 14m 40s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 11h 10m 24s |