Update pydocstyle requirement from ~=5.1 to >=5.1,<7.0
Update pydocstyle requirement from ~=5.1 to >=5.1,<7.0

Updates the requirements on [pydocstyle](https://github.com/PyCQA/pydocstyle) to permit the latest version.
- [Release notes](https://github.com/PyCQA/pydocstyle/releases)
- [Changelog](https://github.com/PyCQA/pydocstyle/blob/master/docs/release_notes.rst)
- [Commits](https://github.com/PyCQA/pydocstyle/compare/5.1.0...6.1.1)

---
updated-dependencies:
- dependency-name: pydocstyle
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
catalyst-cooperative/pudl,catalyst-cooperative/pudl