graphics/py-pillow: Update to 9.4.0

Changes:	https://github.com/python-pillow/Pillow/releases
		https://pillow.readthedocs.io/en/stable/releasenotes/index.html

graphics/py-pillow/Makefile

 PORTNAME=	pillow
-PORTVERSION=	9.3.0
+PORTVERSION=	9.4.0
 CATEGORIES=	graphics python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

graphics/py-pillow/distinfo

-TIMESTAMP = 1669057891
-SHA256 (Pillow-9.3.0.tar.gz) = c935a22a557a560108d780f9a0fc426dd7459940dc54faa49d83249c8d3e760f
-SIZE (Pillow-9.3.0.tar.gz) = 50376883
+TIMESTAMP = 1674589942
+SHA256 (Pillow-9.4.0.tar.gz) = a1c2d7780448eb93fbcc3789bf3916aa5720d942e37945f4056680317f1cd23e
+SIZE (Pillow-9.4.0.tar.gz) = 50403076