perf: use fixed bytes hashmaps from alloy-core

[shekhirin]

Follow-up to #3231 that makes use of alloy-core fixed bytes hashmaps throughout the code for Address, U256, and B256 keys.

[codspeed-hq]

CodSpeed Performance Report

Merging #3238 will degrade performances by 5.84%

_{Comparing alexey/alloy-fixed-bytes-maps (bd83723) with main (7b505e6)}

Summary

❌ 2 regressions
✅ 171 untouched

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	SLOAD_50	34.4 µs	36.5 µs	-5.84%
❌	SSTORE_50	39.5 µs	41.7 µs	-5.39%

[rakita]

Not sure why we are seeing 5% perf degradation

[rakita]

Will read it in detail, but PR makes sense