Optimize update_accumulator_refresh_cache()

[mstembera]

STC https://tests.stockfishchess.org/tests/view/664105df26ac5f9b286d30e6
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 178528 W: 46235 L: 45750 D: 86543
Ptnml(0-2): 505, 17792, 52142, 18363, 462

Combo of two yellow speedups
https://tests.stockfishchess.org/tests/view/6640abf9d163897c63214f5c
LLR: -2.93 (-2.94,2.94) <0.00,2.00>
Total: 355744 W: 91714 L: 91470 D: 172560
Ptnml(0-2): 913, 36233, 103384, 36381, 961
https://tests.stockfishchess.org/tests/view/6628ce073fe04ce4cefc739c
LLR: -2.93 (-2.94,2.94) <0.00,2.00>
Total: 627040 W: 162001 L: 161339 D: 303700
Ptnml(0-2): 2268, 72379, 163532, 73105, 2236

No functional change
bench: 2353057

[github-actions]

clang-format 17 needs to be run on this PR.
If you do not have clang-format installed, the maintainer will run it when merging.
For the exact version please see https://packages.ubuntu.com/mantic/clang-format-17.

(execution 9053904550 / attempt 1)

[Torom]

ARCH=x86-64-bmi2 COMP=clang

Result of  50 runs
==================
base (...es/stockfish) =     956345  +/- 1452
test (...ockfish.ACRT) =     959198  +/- 1631
diff                   =      +2853  +/- 2332

speedup        = +0.0030
P(speedup > 0) =  0.9917

CPU: 4 x Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz
Hyperthreading: on

ARCH=x86-64-bmi2 COMP=gcc

Result of  50 runs
==================
base (...tockfish_gcc) =     953245  +/- 1214
test (...ish.ACRT_gcc) =     965634  +/- 1733
diff                   =     +12388  +/- 2482

speedup        = +0.0130
P(speedup > 0) =  1.0000

CPU: 4 x Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz
Hyperthreading: on