build(deps): bump @scalar/docusaurus from 0.4.85 to 0.4.90 (#521)

Bumps [@scalar/docusaurus](https://github.com/scalar/scalar/tree/HEAD/packages/docusaurus) from 0.4.85 to 0.4.90.
- [Changelog](https://github.com/scalar/scalar/blob/main/packages/docusaurus/CHANGELOG.md)
- [Commits](https://github.com/scalar/scalar/commits/HEAD/packages/docusaurus)

---
updated-dependencies:
- dependency-name: "@scalar/docusaurus"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>