Bump pillow from 8.3.2 to 9.0.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.3.2 to 9.0.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@8.3.2...9.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -12,7 +12,7 @@ oauthlib==3.1.1
 opencv-python==4.5.3.56
 opt-einsum==3.3.0
 optax==0.0.9
-Pillow==8.3.2
+Pillow==9.0.0
 scipy==1.7.1
 tensorflow==2.6.1
 tqdm==4.62.2