Closes https://app.asana.com/1/1208976916964769/project/1209423958092927/task/1211849813289225?focus=true

This PR:

• Make changes to the Inbox contract so that it allows two batchers. The specification of this contract change can be found at https://eng-wiki.espressosys.com/mainch36.html#:Components:Base%20Layer%20Batch%20Validation:Batch%20Inbox%20Contract (see paragraph "Allowing different batchers")
• Extend the CI test suite to run L1 contract tests
• Remove the concept of preapproved batcher key and replace it with the non TEE batcher key, while introducing the TEE batcher key.

This PR does not:

• Implement the full fallback mechanism. This will be addressed in another PR.

Key places to review:

• Focus on the smart contract changes, in particular packages/contracts-bedrock/test/L1/BatchInbox.t.sol.

How to test this PR:

cd packages/contracts-bedrock/
forge test  packages/contracts-bedrock/test/L1/BatchInbox.t.sol

Things tested

• The core logic of the new inbox contract with about handling two batchers and allowing to switch from one to another. See packages/contracts-bedrock/test/L1/BatchInbox.t.sol.