chore(deps): bump pillow

Bumps [pillow](https://github.com/python-pillow/Pillow) from 6.2.2 to 8.3.2.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@6.2.2...8.3.2)

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

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

packages/@aws-cdk/aws-lambda-python/test/lambda-handler-project/shared/requirements.txt

@@ -6,4 +6,4 @@ urllib3==1.25.11
 # Requests used by this lambda
 requests==2.23.0
 # Pillow 6.x so that python 2.7 and 3.x can both use this fixture
-pillow==6.2.2
+pillow==8.3.2