Update checks.yml

[raymondoyondi]

Summary

• Added a new Broken Link Checker step to the PR checks workflow (.github/workflows/checks.yml) using technote-space/broken-link-checker-action@v2, so broken links are now checked automatically during pull request validation.
• Configured the step to scan https://layer5.io recursively and ignore mailto: / tel: links, which helps reduce false positives from non-HTTP link schemes.
• Committed the change with a Conventional Commit message: ci: add broken link checker to checks workflow (commit 994960dc4).

Testing

• ✅ sed -n '1,260p' .github/workflows/checks.yml
• ✅ git status --short && git diff -- .github/workflows/checks.yml
• ✅ git add .github/workflows/checks.yml && git commit -m "ci: add broken link checker to checks workflow"
• ✅ nl -ba .github/workflows/checks.yml | sed -n '1,220p'

Signed-off-by: raymondoyondi raymondoyondi@gmail.com

Closes #6407

[github-actions]

Preview deployment for PR #7678 removed.

This PR preview was automatically pruned because we keep only the 6 most recently updated previews on GitHub Pages to stay within deployment size limits.

If needed, push a new commit to this PR to generate a fresh preview.

[Bhumikagarggg]

@raymondoyondi Thank you for your contribution! Let's discuss this during the website call tomorrow at 5:30 PM IST | 7 AM CST Add it as an agenda item to the meeting minutes, if you would 🙂