Add checkdep python-pytest-subprocess and un-deselect tests

Moved python-pytest-subprocess from the AUR as it is a checkdep to python-scikit-build-core: https://archlinux.org/packages/extra-testing/any/python-pytest-subprocess/

added priority3-normal statusunconfirmed labels

assigned to @polyzen and @felixonmars

approved this merge request

merged