Align Binance combo R5 cash-cap settings

[Pigbibi]

Summary

• update Binance crypto_combo example to R5 cash-cap shadow parameters
• sync BinancePlatform crypto-strategies pin in internal dependency matrix

Validation

• python3 -m unittest discover -s python/tests -p 'test*.py'
• python3 -m ruff check .
• git diff --check

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[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Align requirements.txt pin with BinancePlatform

When the dependency matrix checker runs with the BinancePlatform sibling checkout, it compares this row against BinancePlatform/requirements.txt. I checked the current BinancePlatform requirements.txt, and it still pins crypto-strategies at ccd3e8e25be285f72c92eacc72f7734ae8043fe3 while only requirements-lock.txt is on 746440...; this new row will therefore produce a ref mismatch for BinancePlatform/requirements.txt under check_internal_dependency_matrix.py --strict until the consumer file is updated or this matrix row is kept on the actual requirements pin.

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