Add Trusted Publishers documentation for keyless CI/CD (#2506)
* Add Trusted Publishers documentation for keyless CI/CD
* Simplify trusted publishers documentation
* rewrite
* Update huggingface_hub version and use hf CLI shorthand
* Update trusted publishers documentation with settings URL
* Update docs/hub/trusted-publishers.md
Co-authored-by: Julien Chaumond <julien@huggingface.co>
* Update trusted publisher example to use upload_folder API
* Improve GitHub Actions token exchange error handling and security
* Update trusted publishers examples with GitLab CI
* Update trusted publishers documentation and example script
* Clarify HF repo reference in trusted publishers docs
* hf upload
* Use anchor link
---------
Co-authored-by: Julien Chaumond <julien@huggingface.co>
