Bump remark-lint-no-duplicate-headings from 4.0.0 to 4.0.1

Bumps [remark-lint-no-duplicate-headings](https://github.com/remarkjs/remark-lint) from 4.0.0 to 4.0.1.
- [Release notes](https://github.com/remarkjs/remark-lint/releases)
- [Changelog](https://github.com/remarkjs/remark-lint/blob/4.0.1/history.md)
- [Commits](remarkjs/remark-lint@4.0.0...4.0.1)

---
updated-dependencies:
- dependency-name: remark-lint-no-duplicate-headings
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>