chore(deps-dev): Bump jsii-docgen from 7.0.227 to 7.0.228

Bumps [jsii-docgen](https://github.com/cdklabs/jsii-docgen) from 7.0.227 to 7.0.228.
- [Release notes](https://github.com/cdklabs/jsii-docgen/releases)
- [Changelog](https://github.com/cdklabs/jsii-docgen/blob/main/CHANGELOG.md)
- [Commits](cdklabs/jsii-docgen@v7.0.227...v7.0.228)

---
updated-dependencies:
- dependency-name: jsii-docgen
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>