Bump pillow from 7.1.2 to 9.3.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 7.1.2 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](python-pillow/Pillow@7.1.2...9.3.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@ cloudpickle==1.3.0
 future==0.18.2
 gym==0.17.2
 numpy==1.18.4
-Pillow==7.1.2
+Pillow==9.3.0
 pyglet==1.5.0
 scipy==1.4.1
 torch==0.4.1