Broken documentation links detected

The scheduled documentation link check found broken external link(s).

# Summary

| Status | Count |
|----------------|--------|
| 🔍 Total | 193269 |
| 🔗 Unique | 15204 |
| ✅ Successful | 190437 |
| ⏳ Timeouts | 0 |
| 🔀 Redirected | 1 |
| 👻 Excluded | 2831 |
| ❓ Unknown | 0 |
| 🚫 Errors | 1 |
| ⛔ Unsupported | 0 |

## Errors per input

### Errors in /home/runner/work/acts/acts/build/docs/html/citelist.html

* [403] (at 166:45) | Rejected status code: 403 Forbidden

Run: https://github.com/acts-project/acts/actions/runs/31865251216

If a link is a false positive (e.g. a site that blocks automated
requests), add it to the ignore list:
https://github.com/acts-project/linkcheck-ignore