runtests.py: Use python3 explicitly.

InterLinked1 · Friendly Automation · commit f6185214ce53 · 2022-09-02T10:20:19.000-05:00
Change the shebang for runtests.py from
python to python3 so that Python 3 is
always explicitly invoked, regardless of
the system default.

ASTERISK-30207 #close

Change-Id: Iaadc9e468d3060d419397f27f457be68b1b05d88
diff --git a/runtests.py b/runtests.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 '''Asterisk external test suite driver.
 
 Copyright (C) 2015, Digium, Inc.

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#!/usr/bin/env python`
	`1`	`+#!/usr/bin/env python3`
`2`	`2`	`'''Asterisk external test suite driver.`
`3`	`3`
`4`	`4`	`Copyright (C) 2015, Digium, Inc.`