Update golang guide to include Docker Hardened Images

[Sagar2366]

Description

Related issues or tickets

Reviews

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

[netlify[bot]]

✅ Deploy Preview for docsdocker ready!

Name	Link
🔨 Latest commit	726080c18b242e1ee43335de2a19e06b5219afe5
🔍 Latest deploy log	https://app.netlify.com/projects/docsdocker/deploys/692c4d956f7510000844ac79
😎 Deploy Preview	https://deploy-preview-23792--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.

[craig-osterhout]

Thanks @Sagar2366. Sorry, we had to quietly pause all reviews/changes for the surprise DHI free updates. Can you help update this based on that? Essentially, for DHI, mirroring is no longer required, and users can directly use the public images at dhi.io/: as long as they authenticate.