scripts: cfe-bin-header: fix shebang

Fixes: e575a7f777ef ("scripts: support tags for CFE binaries")
Signed-off-by: Álvaro Fernández Rojas <[email protected]>

scripts/cfe-bin-header.py

@@ -1,4 +1,4 @@
-#!/bin/env python3
+#!/usr/bin/env python3
 
 import argparse
 import os