build(deps-dev): bump apidoc from 0.17.7 to 0.28.1 (#716)

Bumps [apidoc](https://github.com/apidoc/apidoc) from 0.17.7 to 0.28.1.
- [Release notes](https://github.com/apidoc/apidoc/releases)
- [Changelog](https://github.com/apidoc/apidoc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/apidoc/apidoc/commits/0.28.1)

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

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Author: dependabot[bot]