bump pkgrel

mingw-w64-python-virtualenv/PKGBUILD

@@ -4,7 +4,7 @@ _realname=virtualenv
 pkgbase=mingw-w64-python-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-python-virtualenv")
 pkgver=20.4.0
-pkgrel=1
+pkgrel=2
 pkgdesc="Virtual Python Environment builder (mingw-w64)"
 url="https://virtualenv.pypa.io/"
 arch=('any')