Use python3 in shebang

.gitlab-scripts/doctest2python.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import doctest
 import glob

.gitlab-scripts/generate-ci.py

@@ -1,4 +1,4 @@
-#!/bin/env python
+#!/bin/env python3
 import glob
 import os
 import sys

.hooks/link_modules

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 

.hooks/update_requirements

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 

modules/country/scripts/import_postal_codes.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # PYTHON_ARGCOMPLETE_OK
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.

modules/purchase_shipment_cost/tests/test_module.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.