Eigen Blob ID in L1

[gianbelinche]

What ❔

This PR adds the blob id to be stored on L1 when a batch is committed
It also adds a script for retrieving them directly from L1.
To run it:

cd get_all_blobs
node getallblobs.js

This PR changes the contracts submodule to point to the eigen-blobid-l1 branch

Why ❔

Checklist

• PR title corresponds to the body of PR (we generate changelog entries from PRs).
• Tests for the changes have been added / updated.
• Documentation comments have been added / updated.
• Code has been formatted via zk fmt and zk lint.

[github-actions]

Hey there! 👋🏼

We require pull request titles to follow the Conventional Commits specification and it looks like your proposed title needs to be adjusted.
Examples of valid PR titles:

• feat(eth_sender): Support new transaction type
• fix(state_keeper): Correctly handle edge case
• ci: Add new workflow for linting

Details:

No release type found in pull request title "Eigen Blob ID in L1". Add a prefix to indicate what kind of release this pull request corresponds to. For reference, see https://www.conventionalcommits.org/

Available types:
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 - fix: A bug fix
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 - revert: Reverts a previous commit

[juanbono]

this address should not be hardcoded. Can you parameterize it?