indexer: update finalizations

[tuxcanfly]

Description
This PR updates the indexer to track deposit / withdrawal finalisations.

Additional context
The L1 / L2 services are updated to listen to DepositFinalized on L2 and ETHWithdrawalFinalized / ERC20WithdrawalFinalized on L1 respectively.

The /withdrawal/<address> API endpoint has been updated to return finalisation status including the L1 block hash / number at which it finalised.

Metadata

• Fixes ENG-2665
• Depends on indexer: rm state batch #3323

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Latest commit: 2414056

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