✨ feat(tests): EIP-7928 test cases for EIP-7702 transactions

[raxhvl]

🗒️ Description

• test_bal_7702_delegation_create - Ensure BAL captures creation of EOA delegation
• test_bal_7702_delegation_update - Ensure BAL captures update of existing EOA delegation
• test_bal_7702_delegation_clear - Ensure BAL captures clearing of EOA delegation
• test_bal_7702_delegated_storage_access - Ensure BAL captures storage operations when calling a delegated EIP-7702 account.
• test_bal_7702_invalid_nonce_authorization - Ensure BAL handles failed authorization due to wrong nonce.
• test_bal_7702_invalid_chain_id_authorization - Ensure BAL handles failed authorization due to chain id.

✅ Checklist

• All: Ran fast tox checks to avoid unnecessary CI fails, see also Code Standards and Enabling Pre-commit Checks:

  uvx --with=tox-uv tox -e lint,typecheck,spellcheck,markdownlint

• All: PR title adheres to the repo standard - it will be used as the squash commit message and should start type(scope):.
• All: Set appropriate labels for the changes (only maintainers can apply labels).