GitHub just announced a new API versioning scheme and is encouraging everyone to start specifying the API version they are using with the new header X-GitHub-Api-Version. The current version is "2022-11-28", so we need to start adding that to all our GitHub API calls.

More information can be found here: https://github.blog/2022-11-28-to-infinity-and-beyond-enabling-the-future-of-githubs-rest-api-with-api-versioning/