Bump pillow from 9.1.1 to 9.3.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 9.1.1 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@9.1.1...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

@@ -1,6 +1,6 @@
 Flask==1.1.1  # sagemaker-containers requires flask 1.1.1
 PyYAML==5.4.1
-Pillow==9.1.1
+Pillow==9.3.0
 boto3==1.17.52
 botocore==1.20.52
 cryptography==35.0.0