The el_client-type parameter has been deprecated

[billalxcode]

Where did you see the issue in our documentation?

https://docs.kurtosis.com/how-to-local-eth-testnet

Issue description

Outdated configuration

{
    "participants":[{
        "el_client_type":         "geth",
        "el_client_image":        "",
        "el_client_log_level":    "",
        "cl_client_type":         "lighthouse",
        "cl_client_image":        "",
        "cl_client_log_level":    "",
        "beacon_extra_params":    [],
        "el_extra_params":        [],
        "validator_extra_params": [],
        "builder_network_params": null
    },
  {
        "el_client_type":         "geth",
        "el_client_image":        "",
        "el_client_log_level":    "",
        "cl_client_type":         "lodestar",
        "cl_client_image":        "",
        "cl_client_log_level":    "",
        "beacon_extra_params":    [],
        "el_extra_params":        [],
        "validator_extra_params": [],
        "builder_network_params": null
    },
    {
        "el_client_type":         "geth",
        "el_client_image":        "",
        "el_client_log_level":    "",
        "cl_client_type":         "teku",
        "cl_client_image":        "",
        "cl_client_log_level":    "",
        "beacon_extra_params":    [],
        "el_extra_params":        [],
        "validator_extra_params": [],
        "builder_network_params": null
    }],
    "network_params":{
        "preregistered_validator_keys_mnemonic": "giant issue aisle success illegal bike spike question tent bar rely arctic volcano long crawl hungry vocal artwork sniff fantasy very lucky have athlete",
        "num_validator_keys_per_node": 64,
        "network_id": "3151908",
        "deposit_contract_address": "0x4242424242424242424242424242424242424242",
        "seconds_per_slot": 12,
        "genesis_delay": 120,
        "capella_fork_epoch": 5
    }
}

The configuration I have corrected

{
    "participants": [
        {
            "el_type": "geth",
            "el_image": "",
            "el_log_level": "",
            "cl_type": "lighthouse",
            "cl_image": "",
            "cl_log_level": "",
            "builder_network_params": null
        },
        {
            "el_type": "geth",
            "el_image": "",
            "el_log_level": "",
            "cl_type": "lodestar",
            "cl_image": "",
            "cl_log_level": "",
            "builder_network_params": null
        },
        {
            "el_type": "geth",
            "el_image": "",
            "el_log_level": "",
            "cl_type": "teku",
            "cl_image": "",
            "cl_log_level": "",
            "builder_network_params": null
        }
    ],
    "network_params": {
        "preregistered_validator_keys_mnemonic": "giant issue aisle success illegal bike spike question tent bar rely arctic volcano long crawl hungry vocal artwork sniff fantasy very lucky have athlete",
        "num_validator_keys_per_node": 64,
        "network_id": "25251",
        "deposit_contract_address": "0x4242424242424242424242424242424242424242",
        "seconds_per_slot": 12,
        "genesis_delay": 120,
        "eip7594_fork_epoch": 5
    }
}