feat(l1): engine_getBlobsV2 request endpoint

[cdiielsi]

Motivation

We need to implement the RPC endpoint as it will be needed for Fusaka.

Description

This pr incorporates a new module to handle RPC endpoint for the engine_getBlobsV2 request according to the following spec's description from here and here.

Closes #3749

[github-actions]

Lines of code report

Total lines added: 172
Total lines removed: 0
Total lines changed: 172

Detailed view

+----------------------------------------------+-------+------+
| File                                         | Lines | Diff |
+----------------------------------------------+-------+------+
| ethrex/cmd/ethrex_replay/src/constants.rs    | 55    | +1   |
+----------------------------------------------+-------+------+
| ethrex/crates/blockchain/mempool.rs          | 671   | +7   |
+----------------------------------------------+-------+------+
| ethrex/crates/common/serde_utils.rs          | 556   | +12  |
+----------------------------------------------+-------+------+
| ethrex/crates/common/types/genesis.rs        | 701   | +6   |
+----------------------------------------------+-------+------+
| ethrex/crates/networking/rpc/engine/blobs.rs | 139   | +139 |
+----------------------------------------------+-------+------+
| ethrex/crates/networking/rpc/engine/mod.rs   | 54    | +3   |
+----------------------------------------------+-------+------+
| ethrex/crates/networking/rpc/rpc.rs          | 551   | +4   |
+----------------------------------------------+-------+------+