Closes #128

Changelog picked up from commits here:

fix: move parallel keystore generation to global config

There are some immediate FLUPs here

1. Replace `h4ck3rk3y/builder` with `flashbots/builder` ( pending
publishing of builder)
2. Replace `h4ck3rk3y/mev-boost-relay` with `flashbots/mev-boost-relay`
(pending Capella signature fix)

Depends on https://github.com/kurtosis-tech/eth-network-package/pull/91

feat: disable login for grafana

Changelog picked up from commits here:

feat: add beacon-metrics-gazer

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Co-authored-by: Gyanendra Mishra <anomaly.the@gmail.com>

Changelog picked up from commits here:

fix: work with latest eth-network-package

This PR changes the way we count the actual number of validators by
summing `count`s for each participant and multiplying by the number of
validator keys per node.

Resolves https://github.com/kurtosis-tech/eth2-package/issues/111

Changelog picked up from commits here:

feat: counting by summing each participant

This should prevent config drift, some images we used as defaults are
months old at this point.

- Adds deneb to the input parameters and downstream package will support
deneb once the PR here in eth-network-package is merged

this is a clone of this PR:
https://github.com/kurtosis-tech/eth2-package/pull/92

Fixes #91

Changelog picked up from commits here:

refactor: Move args from struct to dict

@parithosh I'll merge this PR because you can run the previous version
executing the previous version like this `kurtosis run
github.com/kurtosis-tech/eth2-package@0fdb74368d5611c062960c71d3d1318cce70382a`

Can be merged after `service-name` gets merged.
Co-authored-by: Gyanendra Mishra <anomaly.the@gmail.com>

Closes #70

BREAKING-CHANGE: Uses the `plan` object. Users will have to update their
Kurtosis CLI to >= 0.63.0 and restart the engine

Refactor exec command