Bump pillow from 9.1.0 to 9.1.1 (#62)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 9.1.0 to 9.1.1.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](https://github.com/python-pillow/Pillow/compare/9.1.0...9.1.1)

---
updated-dependencies:
- dependency-name: pillow
  dependency-type: direct:production
...

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pyproject.toml

@@ -22,7 +22,7 @@ psycopg2 = "^2.8.6"
 rarfile = "^4.0"
 coverage = "^6.2"
 django-extensions = "^3.1.3"
-Pillow = "^9.0.0"
+Pillow = "^9.1.1"
 django-imagekit = "^4.0.2"
 PyMuPDF = "~1.18"
 django-bootstrap4 = "^22.1"