Changes to (Unstable) Get the proofs of a Cardano transaction list from Cardano Blocks and Transactions snapshots

added the required property security_parameter to the response with the 200 status

added subschema #1 subschema #2 to the certified_transactions response property oneOf list for the response status 200

the certified_transactions response's property type changed from array to no type for status 200

removed the required property certified_transactions/items/transactions_hashes from the response with the 200 status

added the required property certified_transactions/items/items to the response with the 200 status

endpoint added