Move build scripts to Python3

On newer macOS versions there even is no unversioned python
executable anymore, so we need to make it explicit

Change-Id: Ic2260a06b859e949a42f7dc34f1ff4dd582ce635
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

4 files changed, 4 insertions, 4 deletions

diff --git a/scripts/build.py b/scripts/build.py
index 8195459006..e2037d8574 100755
--- a/scripts/build.py
+++ b/scripts/build.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #############################################################################
 ##
 ## Copyright (C) 2020 The Qt Company Ltd.
diff --git a/scripts/build_plugin.py b/scripts/build_plugin.py
index cddb9f126a..dadb274efa 100755
--- a/scripts/build_plugin.py
+++ b/scripts/build_plugin.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #############################################################################
 ##
 ## Copyright (C) 2020 The Qt Company Ltd.
diff --git a/scripts/deployqt.py b/scripts/deployqt.py
index 5ac56bedc3..d18b3cc289 100755
--- a/scripts/deployqt.py
+++ b/scripts/deployqt.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 ################################################################################
 # Copyright (C) The Qt Company Ltd.
 # All rights reserved.
diff --git a/scripts/makedmg.py b/scripts/makedmg.py
index fa0d4719ec..d9178bc65c 100755
--- a/scripts/makedmg.py
+++ b/scripts/makedmg.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 ############################################################################
 #
 # Copyright (C) 2018 The Qt Company Ltd.