graphics/py-pillow: Update to 9.1.1

Changes: https://github.com/python-pillow/Pillow/releases

		https://pillow.readthedocs.io/en/stable/releasenotes/index.html

Security: CVE-2022-30595
(cherry picked from commit cc6d0f66788002f8fe0679cf0c067d99885487e9)