Add kzg spec test runner for compute challenge

[ensi321]

Problem description

In the latest spec release, new reference tests have been added for KZG compute challenge functions.

Solution description

Include the new formats into our kzgTestRunner: https://github.com/ethereum/consensus-specs/blob/master/tests/formats/kzg_4844/compute_challenge.md and https://github.com/jtraglia/consensus-specs/blob/687d92b22d505cc95e481ce917bcf1cdadf9e4ad/tests/formats/kzg_7594/compute_verify_cell_kzg_proof_batch_challenge.md

Additional context

No response