chore: Use MIN_INITIAL_PACKET_SIZE instead of literal 1200
#2771
| Job | Run time |
|---|---|
| 12m 56s | |
| 12m 26s | |
| 12m 1s | |
| 9m 49s | |
| 11m 8s | |
| 10m 37s | |
| 23m 11s | |
| 21m 38s | |
| 21m 41s | |
| 18m 14s | |
| 26m 25s | |
| 3h 0m 6s |