chore: Use MIN_INITIAL_PACKET_SIZE instead of literal 1200
#96
| Job | Run time |
|---|---|
| 1h 32m 23s | |
| 1h 27m 42s | |
| 1h 9m 53s | |
| 1h 15m 14s | |
| 2h 10m 28s | |
| 2h 2m 31s | |
| 4s | |
| 9h 38m 15s |