[gimp-help/wip/wormnest/ci: 19/20] Test explicit python3 again

[Jacob Boerema <jboerema src gnome org>]

commit 5f81cea0f3b670c2002b1e59b75ca33b7a1dbe82
Author: Jacob Boerema <jgboerema gmail com>
Date:   Wed Jun 2 17:56:56 2021 -0400

    Test explicit python3 again

 tools/xml2po.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/tools/xml2po.py b/tools/xml2po.py
index b2b92c12b..5740a5d48 100755
--- a/tools/xml2po.py
+++ b/tools/xml2po.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- encoding: utf-8 -*-
 # Copyright (c) 2004, 2005, 2006 Danilo Šegan <danilo gnome org>.
 # Copyright (c) 2009 Claude Paroz <claude 2xlibre net>.