feature: Add engine API forkchoice updated information in fixtures#256

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spencer-tb merged 3 commits intoethereum:mainfrom spencer-tb:forkchoice-in-fixtures

Sep 20, 2023

+47-6

Commits on Sep 18, 2023

Commits on Sep 19, 2023

src/ethereum_test_tools: move fcuVersion last valid block logic to spec.
spencer-tb
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