misc/py-pyprind: Update to 2.11.1

Changes: https://github.com/rasbt/pyprind/blob/master/CHANGELOG.md#version-2111

PR: 219736
Submitted by: Neel Chauhan <neel@neelc.org> (maintainer)
Approved by: garga (mentor)
Differential Revision: https://reviews.freebsd.org/D11045