Problem description

• implements "networking" spec tests
• "merkle_proofs" spec tests are enabled on peerDAS, however some of them failed

  lodestar/packages/beacon-node/test/spec/presets/merkle.test.ts

  Line 32 in 1f339ea

  return name.includes("random_block");

  (also skip "blob_kzg_commitment" for the branch going to merge to peerDAS through feat: merge unstable to peerDAS #7827

Solution description

• implement new "networking" spec tests
• enable and fix "merkle_proofs" spec tests

Additional context

No response