Regenerate haskell-ci.yml to use Ubuntu 20.04 runners
#22
| Job | Run time |
|---|---|
| 8m 29s | |
| 8m 29s | |
| 7m 57s | |
| 7m 57s | |
| 8m 10s | |
| 8m 10s | |
| 8m 39s | |
| 8m 39s | |
| 9m 48s | |
| 9m 48s | |
| 9m 49s | |
| 9m 49s | |
| 8m 19s | |
| 8m 19s | |
| 7m 49s | |
| 7m 49s | |
| 7m 32s | |
| 7m 32s | |
| 1m 26s | |
| 1m 10s | |
| 13m 3s | |
| 13m 3s | |
| 3h 1m 46s |