Bump pillow from 9.1.0 to 9.1.1

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
...

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

requirements.txt

@@ -28,7 +28,7 @@ msgpack==1.0.3
 multidict==6.0.2
 numpy==1.22.3
 packaging==21.3
-Pillow==9.1.0
+Pillow==9.1.1
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pycparser==2.21