[alacarte] build: require Python 3.2+

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 741a7ec1fa8ef46e6d6e8b964249dfdb12ff4081
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Mar 5 18:09:05 2020 +0200

    build: require Python 3.2+
    
    html.escape was added in Python 3.2.

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index ad36c05..f73353a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@ AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE", [Gettext package])
 AM_GLIB_GNU_GETTEXT
 IT_PROG_INTLTOOL([0.40.0])
 
-AM_PATH_PYTHON(3.0)
+AM_PATH_PYTHON(3.2)
 
 PKG_CHECK_MODULES(ALACARTE, libgnome-menu-3.0 >= 3.5.3 pygobject-3.0)