Repositories are documented as having ID of type integer - https://developer.travis-ci.com/resource/repository#standard-representation
This commit has resulted in the ID possibly being a string - when POSTing to /repo/{repository.slug}/requests, we get this back:
{
"request": {
"repository": {
"id": "181942726",
"vcs_type": "GithubRepository",
...
}
}
}