Bumps [pillow](https://github.com/python-pillow/Pillow) from 7.1.2 to 8.1.1. - [Release notes](https://github.com/python-pillow/Pillow/releases) - [Changelog](https://github.com/python-pillow/Pillow/blob/master/CHANGES.rst) - [Commits](https://github.com/python-pillow/Pillow/compare/7.1.2...8.1.1) Signed-off-by: dependabot[bot] <support@github.com>dependabot/pip/pillow-8.1.1