build(deps-dev): bump html-validate from 5.2.1 to 5.3.0 (#252)

Bumps [html-validate](https://gitlab.com/html-validate/html-validate) from 5.2.1 to 5.3.0.
- [Release notes](https://gitlab.com/html-validate/html-validate/tags)
- [Changelog](https://gitlab.com/html-validate/html-validate/blob/master/CHANGELOG.md)
- [Commits](https://gitlab.com/html-validate/html-validate/compare/v5.2.1...v5.3.0)

---
updated-dependencies:
- dependency-name: html-validate
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]