Bump pillow from 8.3.2 to 9.3.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.3.2 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@8.3.2...9.3.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -22,4 +22,4 @@ urllib3==1.23
 Werkzeug==0.16.1
 boto3==1.9.169
 PyYAML==5.1.2
-pillow==8.3.2
+pillow==9.3.0