build(deps-dev): bump pydoclint from 0.5.0 to 0.5.6

Bumps [pydoclint](https://github.com/jsh9/pydoclint) from 0.5.0 to 0.5.6.
- [Release notes](https://github.com/jsh9/pydoclint/releases)
- [Changelog](https://github.com/jsh9/pydoclint/blob/main/CHANGELOG.md)
- [Commits](jsh9/pydoclint@0.5.0...0.5.6)

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

Signed-off-by: dependabot[bot] <[email protected]>