doc-builder -> doc-build
Changes the repository on which the documentation builds will be pushed.
Just want to make sure [this feature](https://huggingface.slack.com/archives/C02GLJ5S0E9/p1639171159299300) is unrelated to this PR<|||||>> Just want to make sure this feature is unrelated to this PR

I have not touched the notebook part of the PR, the notebooks will still get automatically updated AFAICT