support modifying genesis.json for capella #12283
Merged
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What type of PR is this?
Feature
What does this PR do? Why is it needed?
Better support for modifying existing genesis.json files in
prysmctl testnet generate-genesis
to support a smoother ux when using github.com/rauljordan/eth-pos-devnet. OffchainLabs/eth-pos-devnet#16 uses this new workflow.