Upgrade: Bump rehype-parse from 7.0.1 to 8.0.4

Bumps [rehype-parse](https://github.com/rehypejs/rehype) from 7.0.1 to 8.0.4.
- [Release notes](https://github.com/rehypejs/rehype/releases)
- [Changelog](https://github.com/rehypejs/rehype/blob/main/changelog.md)
- [Commits](https://github.com/rehypejs/rehype/compare/[email protected]@8.0.4)

---
updated-dependencies:
- dependency-name: rehype-parse
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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