Bump nuitka from 1.8.6 to 1.9.1

Bumps [nuitka](https://github.com/Nuitka/Nuitka) from 1.8.6 to 1.9.1.
- [Changelog](https://github.com/Nuitka/Nuitka/blob/develop/Changelog.rst)
- [Commits](Nuitka/Nuitka@1.8.6...1.9.1)

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

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