Update mkdocstrings[python] requirement from ==0.22.* to ==0.23.* (#282)

* Update mkdocstrings[python] requirement from ==0.22.* to ==0.23.*

Updates the requirements on [mkdocstrings[python]](https://github.com/mkdocstrings/mkdocstrings) to permit the latest version.
- [Release notes](https://github.com/mkdocstrings/mkdocstrings/releases)
- [Changelog](https://github.com/mkdocstrings/mkdocstrings/blob/main/CHANGELOG.md)
- [Commits](mkdocstrings/mkdocstrings@0.22.0...0.23.0)

---
updated-dependencies:
- dependency-name: mkdocstrings[python]
  dependency-type: direct:development
...

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

* Apply suggestions from code review

* ipython[notebook] >8.0, <9.0

* "Widgets" --> "Clear Notebook Widgets State"

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jirka Borovec <6035284+Borda@users.noreply.github.com>
Co-authored-by: Jirka <jirka.borovec@seznam.cz>

Author: dependabot[bot]