Update transparency-config with current sample produced by scitt-ccf-ledger implementation

[achamayou]

Closes #61, @robinbryce can we get a sample from the datatrails implementation as well?

[OR13]

https://datatracker.ietf.org/doc/html/draft-ietf-oauth-sd-jwt-vc-08#section-5

{
   "issuer":"https://example.com",
   "jwks":{
      "keys":[
         {
            "kid":"doc-signer-05-25-2022",
            "e":"AQAB",
            "n":"nj3YJwsLUFl9BmpAbkOswCNVx17Eh9wMO-_AReZwBqfaWFcfG
   HrZXsIV2VMCNVNU8Tpb4obUaSXcRcQ-VMsfQPJm9IzgtRdAY8NN8Xb7PEcYyk
   lBjvTtuPbpzIaqyiUepzUXNDFuAOOkrIol3WmflPUUgMKULBN0EUd1fpOD70p
   RM0rlp_gg_WNUKoW1V-3keYUJoXH9NztEDm_D2MQXj9eGOJJ8yPgGL8PAZMLe
   2R7jb9TxOCPDED7tY_TU4nFPlxptw59A42mldEmViXsKQt60s1SLboazxFKve
   qXC_jpLUt22OC6GUG63p-REw-ZOr3r845z50wMuzifQrMI9bQ",
            "kty":"RSA"
         }
      ]
   }
}

{
   "issuer":"https://example.com",
   "jwks_uri":"https://jwt-vc-issuer.example.org/my_public_keys.jwks"
}

^ Suggest aligning with this

[achamayou]

@OR13 done.