This parameter is important. Prism will handle deposit logs from
`--contract-deployment-block` to the latest block. If this parameter is
missed, Prysm's proposed block's eth1 data will have no deposit data.

The default value is 11184524, which is used for the mainnet.


https://github.com/ethpandaops/dencun-devnets/blob/master/ansible/inventories/devnet-12/group_vars/prysm.yaml#L52C5-L52C33Signed-off-by: lyfsn <dev.wangyu@proton.me>