EIP-6110: Supply validator deposits on chain

[abi87]

Brings https://eips.ethereum.org/EIPS/eip-6110 to BeaconKit

Provides validator deposits as a list of deposit operations added to the Execution Layer block

[rezbera]

We will decide whether to implement this after the pectra withdrawals hardfork. There is still some debate about whether we should implement it or if there are other priorities.

[abi87]

Noting down that an alternative implementation using Cosmos merkleDB is provided in:

• chore(storage): Consolidate deposits storage 1/3 #2778
• chore(storage): Consolidate deposits storage 2/3 #2779
• chore(storage): Consolidate deposits storage 3/3 #2774