singletons-{th,base}: Require building with GHC 9.12
#378
| Job | Run time |
|---|---|
| 5m 51s | |
| 2m 28s | |
| 2m 43s | |
| 2m 18s | |
| 2m 6s | |
| 1m 55s | |
| 1m 54s | |
| 1m 51s | |
| 2m 18s | |
| 1m 49s | |
| 1m 52s | |
| 1m 40s | |
| 2m 2s | |
| 30m 47s |