Bump pillow from 7.0.0 to 9.3.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 7.0.0 to 9.3.0.
- [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/7.0.0...9.3.0)

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

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

requirements.txt

@@ -7,7 +7,7 @@ kiwisolver==1.1.0
 matplotlib==3.1.2
 numpy==1.18.1
 opencv-python==4.1.2.30
-Pillow==7.0.0
+Pillow==9.3.0
 pygame==1.9.6
 pyglet==1.3.2
 pyparsing==2.4.6