feat(sync-v2): implement AsyncP2PStorage [part 10/12]

[glevco]

Depends on #1024

---

Motivation

This PR continues the implementation started in the previous PR, #1024. Read its description for more info. It implements an async version for the new Sync-v2 abstractions, and adds a CLI option to enable it. Currently, tests do not run using the async version, this will be implemented in a future PR.

Acceptance Criteria

• Add unsafe --x-use-async-sync-v2 CLI option.
• Implement AsyncP2PStorage and AsyncP2PVertexHandler classes.
• Update SyncV2Factory to support async Sync-v2.

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged

[codecov]

Codecov Report

Attention: Patch coverage is 81.16505% with 194 lines in your changes missing coverage. Please review.

Project coverage is 84.35%. Comparing base (de9ea6d) to head (2ffad4a).
Report is 124 commits behind head on refactor/sync-v2/p2p-storage-9.

Files	Patch %	Lines
hathor/p2p/sync_v2/p2p_storage.py	49.65%	73 Missing ⚠️
hathor/p2p/sync_v2/p2p_vertex_handler.py	46.55%	31 Missing ⚠️
...tion/storage/migrations/migrate_static_metadata.py	41.66%	21 Missing ⚠️
hathor/vertex_handler/vertex_handler.py	59.45%	14 Missing and 1 partial ⚠️
...ction/storage/migrations/migrate_feature_states.py	52.00%	12 Missing ⚠️
hathor/p2p/sync_v2/blockchain_streaming_client.py	60.00%	4 Missing ⚠️
hathor/transaction/storage/rocksdb_storage.py	82.60%	4 Missing ⚠️
hathor/transaction/storage/transaction_storage.py	90.47%	2 Missing and 2 partials ⚠️
hathor/verification/transaction_verifier.py	77.77%	1 Missing and 3 partials ⚠️
hathor/verification/verification_service.py	93.75%	2 Missing and 2 partials ⚠️
... and 12 more

Additional details and impacted files

@@                        Coverage Diff                         @@
##           refactor/sync-v2/p2p-storage-9    #1025      +/-   ##
==================================================================
- Coverage                           84.91%   84.35%   -0.56%     
==================================================================
  Files                                 297      304       +7     
  Lines                               22910    23347     +437     
  Branches                             3464     3548      +84     
==================================================================
+ Hits                                19453    19695     +242     
- Misses                               2771     2968     +197     
+ Partials                              686      684       -2     

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