Add EIP-5794: eth/69: add withdrawals to block

[MariusVanDerWijden]

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[eth-bot]

Hi! I'm a bot, and I wanted to automerge your PR, but couldn't because of the following issue(s):

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(fail) eip-5794.md

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newEIPFile

• File with name EIPS/eip-5794.md is new and new files must be reviewed
• This PR requires review from one of [@lightclient, @axic, @samwilsn]

[MariusVanDerWijden]

We might not do this after all, since we didn't create a new version when we added the basefee to the header

[MariusVanDerWijden]

Am going to close this, we decided that adding withdrawals to the block does not warrant a new protocol version.