Upgrade network to PZNet40

[kevlu8]

Elo   | 6.11 +- 4.14 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | 2.95 (-2.25, 2.89) [0.00, 5.00]
Games | N: 8470 W: 2247 L: 2098 D: 4125
Penta | [62, 990, 1998, 1107, 78]

https://ob.int0x80.ca/test/268/

Elo   | 7.95 +- 5.63 (95%)
SPRT  | 40.0+0.40s Threads=1 Hash=128MB
LLR   | 2.90 (-2.25, 2.89) [0.00, 8.00]
Games | N: 3714 W: 927 L: 842 D: 1945
Penta | [9, 390, 978, 467, 13]

https://ob.int0x80.ca/test/272/

Bench: 4450136