Duplicate history bonuses

STC:
LLR:  2.96/2.94<0.00, 10.00> Elo diff: 8.54 [2.18, 14.90] (95%)
Games: 3217 W: 511 L: 432 D: 2274 Draw ratio: 70.7%
Pntl: [25, 300, 891, 355, 37]

LTC:
LLR:  2.96/2.94<0.00, 10.00> Elo diff: 12.70 [4.87, 20.53] (95%)
Games: 1588 W: 201 L: 143 D: 1244 Draw ratio: 78.3%
Pntl: [5, 116, 497, 168, 8]

Bench: 1406508

src/MoveOrder.hpp

@@ -31,7 +31,7 @@ constexpr int NUM_CONTINUATION = 3;
 
 constexpr int hist_bonus(Depth d)
 {
-    return std::min(2000, 100 * d);
+    return std::min(4000, 200 * d);
 }