devel/py-pytest-xdist: Update to 1.32.0 [1]

• COMMENT: Update to match setup.py:Description
• Canonicalise test invocation (to override setup.cfg/pytest.ini options)

Changelog:

https://github.com/pytest-dev/pytest-xdist/blob/v1.32.0/CHANGELOG.rst

QA:

portlint: OK (looks fine.)
testport: OK (poudriere: 12amd64,py{27,37})
maketest: OK (136 passed, 8 skipped, 10 xfailed, 2 xpassed)

PR: 246408
Submitted by: sunpoet
MFH: No (combined feature/bugfix releases)