Metadata: Languages being overridden by GitHub API

[natalialuzuriaga]

Metadata: Languages being overridden by GitHub API

Expected behavior

Will fill this out later but, similar to #92 except with languages array.

Actual behavior

Languages that are manually added are being overriden by GitHub API.

Example here:
https://github.com/DSACMS/gov-codejson/pull/45/files#diff-5229b349cd89869ad0b0d4411a11f45b5f4ae754ddc298f4ba7051278d11d9b3L41-R41

Steps to reproduce the behavior