Python 3.9 rebuilds

pacman -Fqx '/python3\.8/' '.*\.py.*' '.*-cpython-.*'

mingw-w64-python-setuptools-git/PKGBUILD

@@ -4,7 +4,7 @@ _realname=setuptools-git
 pkgbase=mingw-w64-python-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-python-${_realname}")
 pkgver=1.2
-pkgrel=1
+pkgrel=2
 pkgdesc="Setuptools revision control system plugin for Git (mingw-w64)"
 url="https://pypi.org/project/setuptools-git/"
 arch=('any')