⚡ Store captured pieces as part of the move

[eduherminio]

Calculate captured piece on move generation instead of (potentially) doing twice t on Score() and Make() methods (ab1cbfd)

Not enough by itself

Elo   | -5.12 +- 7.00 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -2.31 (-2.25, 2.89) [0.00, 5.00]
Games | N: 6034 W: 1881 L: 1970 D: 2183
Penta | [298, 664, 1122, 695, 238]
https://openbench.lynx-chess.com/test/88/

Replace Position.PieceAt() usage with move.CapturedPiece() (a8d5769)

Now we're talking

Score of Lynx-move-encode-captured-piece-2393-win-x64 vs Lynx 2392 - main: 4145 - 3926 - 4762  [0.509] 12833
...      Lynx-move-encode-captured-piece-2393-win-x64 playing White: 2825 - 1248 - 2344  [0.623] 6417
...      Lynx-move-encode-captured-piece-2393-win-x64 playing Black: 1320 - 2678 - 2418  [0.394] 6416
...      White vs Black: 5503 - 2568 - 4762  [0.614] 12833
Elo difference: 5.9 +/- 4.8, LOS: 99.3 %, DrawRatio: 37.1 %
SPRT: llr 2.9 (100.3%), lbound -2.25, ubound 2.89 - H1 was accepted