build: git remote authentication secrets

[jcgruenhage]

Description

I fixed the documentation, because it was wrong. See the issues and buildkit PR for details.

Related issues or tickets

• BuildKit issue: https://github.com/moby/buildkit/issues/5703
• Docs issue: https://github.com/docker/docs/issues/22834
• Another BuildKit issue: https://github.com/moby/buildkit/issues/6046
• PR that introduced the behaviour: https://github.com/moby/buildkit/pull/1533
• PR that introduced the docs: https://github.com/docker/docs/pull/19739

Reviews

• [ ] Technical review
• [ ] Editorial review
• [ ] Product review

[netlify[bot]]

✅ Deploy Preview for docsdocker ready!

Name	Link
🔨 Latest commit	3123dce06884167dfe12332f10e5431754769a15
🔍 Latest deploy log	https://app.netlify.com/projects/docsdocker/deploys/68d56705a328fc000871236a
😎 Deploy Preview	https://deploy-preview-23460--docsdocker.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.