update module shebangs

Author: ansibleguy

plugins/modules/journal.py

@@ -1,4 +1,5 @@
-#!/usr/bin/env python3
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
 
 # Copyright: (C) 2023, AnsibleGuy <guy@ansibleguy.net>
 # GNU General Public License v3.0+ (see https://www.gnu.org/licenses/gpl-3.0.txt)