Update default net to nn-112bb1c8cdb5.nnue

Update default net to nn-112bb1c8cdb5.nnue

First trained net using search eval instead of pv leaf static eval.

Net created at: 20200810-0744

passed STC: https://tests.stockfishchess.org/tests/view/5f30995d90816720665373f8
LLR: 2.93 (-2.94,2.94) {-0.50,1.50}
Total: 15416 W: 2071 L: 1920 D: 11425
Ptnml(0-2): 123, 1376, 4563, 1519, 127

passed LTC: https://tests.stockfishchess.org/tests/view/5f30a104908167206653742b
LLR: 2.93 (-2.94,2.94) {0.25,1.75}
Total: 29792 W: 2003 L: 1834 D: 25955
Ptnml(0-2): 50, 1541, 11550, 1700, 55

closes https://github.com/official-stockfish/Stockfish/pull/2966

Bench: 4084753