ci: don't run on pushes to next
#476
| Job | Run time |
|---|---|
| 9m 47s | |
| 7m 43s | |
| 6m 1s | |
| 6m 38s | |
| 9m 25s | |
| 8m 13s | |
| 6m 25s | |
| 6m 57s | |
| 5m 20s | |
| 4m 48s | |
| 4m 19s | |
| 4m 29s | |
| 5m 8s | |
| 5m 4s | |
| 5m 5s | |
| 4m 33s | |
| 5m 17s | |
| 4m 12s | |
| 4m 18s | |
| 4m 55s | |
| 4m 32s | |
| 4m 59s | |
| 4m 44s | |
| 4m 17s | |
| 4m 29s | |
| 5m 12s | |
| 4m 26s | |
| 4m 48s | |
| 2h 36m 4s |