• Update to 5.3.0
• Moved USES block above the OPTIONS block according to PHB and to pet portlint

Changes by upstream:

• https://github.com/python-pillow/Pillow/blob/5.3.0/CHANGES.rst

PR: 234613
Submitted by: freebsd_ports@k-worx.org
Approved by: maintainer timeout
Sponsored by: iXsystems Inc.