What issues does this PR close?
Fixes security vulnerabilities and GH Actions' Markdown Link Checks
Old Link
### Checklist
- [x] The PR title is short and expressive.
- [x] I have updated the CHANGELOG.md and linked the changes to their issues. See [changelog_update.md](https://github.com/sovity/authority-portal/blob/main/docs/dev/changelog_updates.md) for more information.
- [ ] I have updated the Deployment Migration Notes Section in the CHANGELOG.md for any configuration / external API changes.
- [x] I have performed a **self-review**
What issues does this PR close? Fixes security vulnerabilities and GH Actions' Markdown Link Checks
Old Link