Bump pillow from 8.3.2 to 9.0.1 in /SIDGAN

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.3.2 to 9.0.1.
- [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...9.0.1)

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

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

Author: dependabot[bot]

SIDGAN/requirements.txt

@@ -3,5 +3,5 @@ tensorflow_gpu==2.5.1
 scipy==1.2.0
 numpy==1.18.5
 opencv_python==4.4.0.42
-Pillow==8.3.2
+Pillow==9.0.1