build(deps): bump pillow from 9.2.0 to 9.5.0 in /nix

Bumps [pillow](https://github.com/python-pillow/Pillow) from 9.2.0 to 9.5.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@9.2.0...9.5.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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