Update network to berserk-1794ba44a3ac.nn

Bench: 3114580

Network trained on additional 15k min fens from Berserk20240304 and Berserk20240311.

Elo   | 3.63 +- 3.44 (95%)
Conf  | 10.0+0.10s Threads=1 Hash=8MB
Games | N: 18450 W: 4450 L: 4257 D: 9743
Penta | [74, 2143, 4603, 2326, 79]
http://chess.grantnet.us/test/35940/

Elo   | 2.46 +- 2.57 (95%)
SPRT  | 60.0+0.60s Threads=1 Hash=64MB
LLR   | 2.50 (-2.25, 2.89) [0.00, 2.50]
Games | N: 31464 W: 7174 L: 6951 D: 17339
Penta | [29, 3466, 8515, 3697, 25]
http://chess.grantnet.us/test/35941/

src/makefile

@@ -3,8 +3,8 @@ EXE      = berserk
 SRC      = attacks.c bench.c berserk.c bits.c board.c eval.c history.c move.c movegen.c movepick.c perft.c random.c \
 		   search.c see.c tb.c thread.c transposition.c uci.c util.c zobrist.c nn/accumulator.c nn/evaluate.c pyrrhic/tbprobe.c
 CC       = clang
-VERSION  = 20240311
-MAIN_NETWORK = berserk-d3561c0273c8.nn
+VERSION  = 20240318
+MAIN_NETWORK = berserk-1794ba44a3ac.nn
 EVALFILE = $(MAIN_NETWORK)
 DEFS     = -DVERSION=\"$(VERSION)\" -DEVALFILE=\"$(EVALFILE)\" -DNDEBUG