(docs deps): Bump remark-validate-links from 11.0.2 to 12.0.0

Bumps [remark-validate-links](https://github.com/remarkjs/remark-validate-links) from 11.0.2 to 12.0.0.
- [Release notes](https://github.com/remarkjs/remark-validate-links/releases)
- [Commits](remarkjs/remark-validate-links@11.0.2...12.0.0)

---
updated-dependencies:
- dependency-name: remark-validate-links
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]