Coda: Use Github pack with Coda employee github account (search code of Coda's private repositories)

Summary: When you use the Github formula, the information from the Github API is returned by the endpoint https://coda.io/coda.CalcService/InvokeFormula. From what I understand, this endpoint expects a gRPC request. In the request is sent: the formula Github..CodeSearch, the version of the Github...