Bump @web/rollup-plugin-html from 3.0.0 to 3.1.0

Bumps [@web/rollup-plugin-html](https://github.com/modernweb-dev/web/tree/HEAD/packages/rollup-plugin-html) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/modernweb-dev/web/releases)
- [Changelog](https://github.com/modernweb-dev/web/blob/master/packages/rollup-plugin-html/CHANGELOG.md)
- [Commits](https://github.com/modernweb-dev/web/commits/@web/rollup-plugin-html@3.1.0/packages/rollup-plugin-html)

---
updated-dependencies:
- dependency-name: "@web/rollup-plugin-html"
  dependency-version: 3.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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